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OPB
Wanderer

Registered: 05/30/15
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OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 2
#21907688 - 07/06/15 10:42 PM (8 years, 6 months ago) |
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OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1
I'm not sure if I can or should make a TEK with only 50 posts but I am certainly bold enough to try.
Being a quick learning beginner in this hobby I found that by unanimous opinion Agar seems to be the most useful tool after jars and a pressure cooker. I need it in my arsenal so I set my mind to mastering it. While researching and purchasing my materials I couldn't help but think that there were some issues with using petri dishes and/or their common surrogates.
I also want to note that I was inspired by Pastywhyte's Easy Agar Tek as well as other no pour techniques on the forum. I simply hope that these dishes might provide an improved container for the wonderful TEKs that already exist and work!
Now to the contenders
Glass Petri Dishes

Advantages - Reusable - Transparent - Compact
Disadvantages - Break Easily - Cannot be used for No Pour techniques - Expensive (cheap and brittle versions for $2+ each, borosilicate glass $60+ each)
Plastic Petri Dishes

Advantages - Durable - Cheap - Transparent - Sterile
Disadvantages - One time use (wasteful) - Cannot be used in No Pour techniques - Creates suspicious waste - Can be expensive in the long run with shipping
Tupperware Dishes

Advantages - Reusable - Tough - Reasonable cost ($1.50 when I checked last) - Can be pressure cooked - Can be used for Pour techniques - Can be used for No Pour techniques
Disadvantages - Bulky (not a big deal but they do eat up fridge space) - Opaque sides (Tops are usually impossible to see through and the sides are not ideal either) - Tall (can make it awkward for cutting your wedges)
OPB Dish

Advantages - Cheap ($8 for 12) - Reusable - Tough (aluminum body, you could break the glass but it would need to be a bad fall) - Transparent (glass top) - Can be used for Pour techniques - Can be used for No Pour techniques - Compact (2"x 7/8") (available in other sizes as well) - Can be pressure cooked
Disadvantages - lids can stick a bit - Bottom isn't transparent
OPB Dish - How to

This is how the dishes arrived (there were 12 in total). They are called "Favor Tins" or "Glass Top Tins" or "Windowed Spice Tins" - you get the idea. They are usually used for holding balms, spices, or knickknacks. The key is to buy ones which state that they have glass tops (plastic melts) and are made out of aluminum or stainless steel. Stainless would be ideal but they are harder to find and more expensive generally. You also want to be sure that they are of a suitable size. I opted for 2" in diameter as it was the largest I could find without increasing significantly in depth. I have seen them in craft stores, in Marshall's, on Amazon, and on Ebay.
Upon arrival I cleaned 6 of the tins I was going to use for testing. Since No Pour techniques require pressure cooking you want to create a filtered vent for the dish.

Drill a small hole being careful to place it as high on the lid as possible while making sure not to nick the glass! This is easiest to do by placing the lid on its edge on a piece of wood and then drilling from the inside of the lid out.

After drilling the hole cut a piece of synthetic filter disk so that it will cover the hole and also have extra material on two sides to help ensure good adhesion. Then attach the filter using high temp silicone (I used silicone for sealing wood stoves). Be sure to watch the hole from the inside to make sure no silicone covers the hole. Assuming you bring temps up and down at reasonably slow rates you shouldn't need much of a hole to bleed off the pressure.

This hole and filter will ensure that expanding gasses can escape during sterilizing. When the tins cool they will also draw outside air in and the filter will stop contamination from being drawn in as well.
Testing Phase
Once the silicone had cured I filled the tin with Potato Dextrose Agar. I opted for the premixed variety because it is more convenient. (see Pastywhyte's TEK for mixing and preparation instructions)
I also decided to go ahead and fill up the other 5 clean tins with no filter vent.

I then wrapped these up in tinfoil (I kept the filtered tin separate in case the others boiled over) and fired up the pressure cooker.

I sterilized at 10psi (it crept up to 13 for awhile) for 30 minutes as per the agar instructions. I let the temperature rise gradually and allowed the pressure cooker to cool down slowly to avoid rapid changes in pressure.
Results

Success!!
And surprisingly they all seemed to work perfectly!

There is a bit of condensation but I believe that that will clear eventually.
It seems that the vent may not be necessary but I would still recommend it as without it you risk the tin collapsing on itself as the temperature falls. I will continue testing to see if this is a problem or if the tins are good to go as is!
Thanks for reading OPB
-------------------- "Wasn't that fun"
Edited by OPB (07/07/15 12:05 AM)
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Grey
⇜ ✯ ⇝



Registered: 11/06/14
Posts: 6,223
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21907702 - 07/06/15 10:50 PM (8 years, 6 months ago) |
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Cool. Is there an adhesive holding the glass in, or is it fitted in there somehow?
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AMU Q&A If you don't have a plan of your own, you'll become a part of somebody else's.
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OPB
Wanderer

Registered: 05/30/15
Posts: 198
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: Grey]
#21907717 - 07/06/15 10:56 PM (8 years, 6 months ago) |
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It sits on a ledge on the lid and then the top edge has been rolled over. It could be a potential spot for contamination but it's pretty tight so I don't think it will be an issue. I am testing with cultures now. If it were an issue or if someone was extra paranoid you could simply run a bead of silicone around the edge, but I really don't think this is necessary.
-------------------- "Wasn't that fun"
Edited by OPB (07/06/15 11:00 PM)
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Psilosopherr
A psilly goose



Registered: 02/15/12
Posts: 12,278
Last seen: 1 month, 10 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21907836 - 07/06/15 11:35 PM (8 years, 6 months ago) |
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right on newbie
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CMOSS
Back Again

Registered: 07/07/15
Posts: 44
Last seen: 8 years, 4 months
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21907974 - 07/07/15 12:27 AM (8 years, 6 months ago) |
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Nice find, I'd like to check these out. Make a really nice alternative to buying petris off Amazon and other sources. Aluminum probably hold up to corrosion from PCing pretty well too.
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thoraxx
Wizard


Registered: 12/27/13
Posts: 580
Loc: Bavaria
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: CMOSS]
#21908373 - 07/07/15 05:42 AM (8 years, 6 months ago) |
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Interesting, for a no pour tek its definately an improvement over the non-transparent plastic cups
But if you seriously have to pay such outrageous prices for glass petris i feel bad for ya Recently bought a dozen used off ebay for about 10eur, not real labglass but very thick and durable, imo the most convenient solution
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the_other
Registered: 06/08/15
Posts: 6
Last seen: 8 years, 4 months
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: CMOSS]
#21908382 - 07/07/15 05:47 AM (8 years, 6 months ago) |
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do you reckon these would work?
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Whatever we have words for, that we have already got beyond. - Nietzsche -
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Nature Boy
Stranger than most



Registered: 07/09/07
Posts: 8,241
Loc: Samsara
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21908402 - 07/07/15 06:04 AM (8 years, 6 months ago) |
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Where did you get those? Link, please!
EDIT: Never mind. Found these. 4" x 1 1/8" deep. 24 for $24.00. And they are steel. Oh, crap! The windows are "hard plastic" according to the video. I guess that makes them unusable? I'm not so sure it does, because we autoclave and sterilize plastic syringes all the time... 
http://www.papermart.com/windowed-round-tin-cans/id=20964?origin=product_ads&id=6513205P&Product_Type=Metal%20Packaging&utm_source=google&utm_medium=adwords&utm_campaign=product_ads&gclid=CNCp-Iz-yMYCFVOQHwod55ECUw
N.B.
Edited by Nature Boy (07/07/15 06:18 AM)
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OPB
Wanderer

Registered: 05/30/15
Posts: 198
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: Nature Boy]
#21908448 - 07/07/15 06:36 AM (8 years, 6 months ago) |
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Quote:
the_other said: do you reckon these would work?

Those tops look plastic. Also the hinge may leave the dish somewhat open to contams. You could try it but the glass top round variety seem more ideal IMO.
Quote:
Nature Boy said: Where did you get those? Link, please!
EDIT: Never mind. Found these. 4" x 1 1/8" deep. 24 for $24.00. And they are steel. Oh, crap! The windows are "hard plastic" according to the video. I guess that makes them unusable? I'm not so sure it does, because we autoclave and sterilize plastic syringes all the time... 
http://www.papermart.com/windowed-round-tin-cans/id=20964?origin=product_ads&id=6513205P&Product_Type=Metal%20Packaging&utm_source=google&utm_medium=adwords&utm_campaign=product_ads&gclid=CNCp-Iz-yMYCFVOQHwod55ECUw
N.B.
Some plastics can handle the heat but many cannot. My guess is that the plastics used for cheap favor tins likely will melt.
I got mine on ebay but it looks like the same deal can be had on Amazon. I think these are identical. http://www.amazon.com/SE-Storage-Container-Aluminum-Glass/dp/B001HBR95A
-------------------- "Wasn't that fun"
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digdog
Stranger Than Average



Registered: 04/30/15
Posts: 44
Last seen: 8 years, 4 months
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21908520 - 07/07/15 07:12 AM (8 years, 6 months ago) |
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Thanks for the great tek tip and link!
I am going to order some of these. I am primarily using disposable plastic dishes and pour them but it will be nice to have these on hand in case I run out and I am waiting on an order.
DigDog
-------------------- Once I stop learning, life will cease to have meaning.
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OPB
Wanderer

Registered: 05/30/15
Posts: 198
Last seen: 2 years, 10 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: digdog]
#21908567 - 07/07/15 07:32 AM (8 years, 6 months ago) |
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Quote:
digdog said: Thanks for the great tek tip and link!
I am going to order some of these. I am primarily using disposable plastic dishes and pour them but it will be nice to have these on hand in case I run out and I am waiting on an order.
DigDog
I'm glad you like the idea.
The one thing I don't love about these dishes is that some of the lids stick a bit. In my box 2 out of 12 take a bit of force to remove. The others slip right off and on. I may try to resolve this or just make sure to loosen the lids before I knock them up.
Let me know how they work for you!
-------------------- "Wasn't that fun"
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Psilosopherr
A psilly goose



Registered: 02/15/12
Posts: 12,278
Last seen: 1 month, 10 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21909146 - 07/07/15 10:37 AM (8 years, 6 months ago) |
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I like certain baby food jars. Nice clear sides compared to those 4 ounce jelly jars (which are nice, but have 'quilted' sides, obscuring vision)
if you housemates use the right products, you can have a nice arsenal of 'petri jars' in no time
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OPB
Wanderer

Registered: 05/30/15
Posts: 198
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: Psilosopherr]
#21909265 - 07/07/15 11:09 AM (8 years, 6 months ago) |
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Baby food jars seem like a good option as well.
The lids on there are sticking more after the pressure cooker. I will keep updating with my experience so that everyone can get the full story before buying if they so choose.
-------------------- "Wasn't that fun"
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Psilosopherr
A psilly goose



Registered: 02/15/12
Posts: 12,278
Last seen: 1 month, 10 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21909269 - 07/07/15 11:10 AM (8 years, 6 months ago) |
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Quote:
OPB said: Baby food jars seem like a good option as well.
The lids on there are sticking more after the pressure cooker. I will keep updating with my experience so that everyone can get the full story before buying if they so choose.
Maybe you could somehow get a filter (SFD) on there so that there isn't a vaccum inside? (or whatever you call it when pressure makes it hard to open stuff)
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OPB
Wanderer

Registered: 05/30/15
Posts: 198
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: Psilosopherr]
#21909353 - 07/07/15 11:43 AM (8 years, 6 months ago) |
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Quote:
rbalzer said: Maybe you could somehow get a filter (SFD) on there so that there isn't a vaccum inside? (or whatever you call it when pressure makes it hard to open stuff)
That's already in the tek
That could be the issue though because the few I've had the most trouble with didn't have the vent hole. It might be that when cooling the tops are pulled down tight on the bottoms instead of gently resting. I will drill a few more to test this. For now though they are all full of agar.
I also have a question. On half this batch I somehow forgot how to divide properly and used twice as much agar as was necessary. Will this prevent it from working? Obviously it is quite dense now.
-------------------- "Wasn't that fun"
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Psilosopherr
A psilly goose



Registered: 02/15/12
Posts: 12,278
Last seen: 1 month, 10 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21909472 - 07/07/15 12:14 PM (8 years, 6 months ago) |
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Quote:
OPB said:
Quote:
rbalzer said: Maybe you could somehow get a filter (SFD) on there so that there isn't a vaccum inside? (or whatever you call it when pressure makes it hard to open stuff)
That's already in the tek
That could be the issue though because the few I've had the most trouble with didn't have the vent hole. It might be that when cooling the tops are pulled down tight on the bottoms instead of gently resting. I will drill a few more to test this. For now though they are all full of agar.
I also have a question. On half this batch I somehow forgot how to divide properly and used twice as much agar as was necessary. Will this prevent it from working? Obviously it is quite dense now.
ah my bad. was a little long
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Grey
⇜ ✯ ⇝



Registered: 11/06/14
Posts: 6,223
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: Psilosopherr]
#21909831 - 07/07/15 01:50 PM (8 years, 6 months ago) |
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The only worry I could think of is agar boiling over. Thick agar plates are fine though. Good for storing cultures.
--------------------
AMU Q&A If you don't have a plan of your own, you'll become a part of somebody else's.
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bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,889
Loc: Milky way
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: Grey]
#21909864 - 07/07/15 02:00 PM (8 years, 6 months ago) |
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It's great but solved a problem that doesn't exist. Pour plates are easy. Sterilization of dishes uses as much or more energy than just tossing disposable dishes. Especially with a small household pressure cooker. If you like it and it works for you great but I see people spending more time and effort trying to avoid learn how to do easy things. If you cant order dishes cheaply ok sure get some reusable ones. Either way nice innovation
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blackout


Registered: 07/16/00
Posts: 5,266
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: bodhisatta]
#21909973 - 07/07/15 02:31 PM (8 years, 6 months ago) |
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Good idea. I have found a few fully clear PP5 containers recently. One had popcorn with a clear lid and white bucket, about 3L in size. Another was sweets, tapered and 280ml, another 1.4L containing sweets. They all have very flat lids, no moulded shapes which can obstruct the view.
These are totally transparent, and remained so after a PC cycle though 1 did get a tiny bit cloudy but went past 15psi.
These are all bigger than your jars, I am keeping an eye out for smaller ones.
For your tight lids you might sand down the sides of the bottom one a little with fine sandpaper. Or if there is another lid a bit too loose try swopping them around.
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OPB
Wanderer

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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: blackout]
#21910140 - 07/07/15 03:10 PM (8 years, 6 months ago) |
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Yeah I was thinking of taking some sand paper to them, but that might just give them more grooves to bite in with. I could go down to a really fine grit I guess. As I said I will keep experimenting and see how well these will work. So far I am happy with my $8 invested though.
-------------------- "Wasn't that fun"
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digdog
Stranger Than Average



Registered: 04/30/15
Posts: 44
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21913982 - 07/08/15 08:49 AM (8 years, 6 months ago) |
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Maybe a very thin layer of Vaseline around the rim would keep them from sticking?... just like with the AA PC.
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OPB
Wanderer

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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: digdog]
#21946939 - 07/15/15 11:44 AM (8 years, 6 months ago) |
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Update: No contams yet. I've used these to make a number of transfers. I would say that they are ideal with one exception. The dam lids sticking. I'm going to see if I can fix this issue.
B+

Mazapatec
-------------------- "Wasn't that fun"
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spacechildo
proletarians rise up



Registered: 01/24/13
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21946945 - 07/15/15 11:45 AM (8 years, 6 months ago) |
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are the bottoms clear so you can see through them?
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36fuckin5
Alchemycologist


Registered: 08/11/03
Posts: 12,079
Loc: Diving into Mystical Territori...
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: spacechildo]
#21947030 - 07/15/15 12:06 PM (8 years, 6 months ago) |
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These actually seem decent. But I agree with Bodhi, you're solving a problem that doesn't exist. Pouring agar into real petris is cheap and easy.
-------------------- Redd Foxx said: If you're offended I don't give a shit and don't come see me no more. Pat The Bunny said: A punk rock song won't ever change the world, but I can tell you about a couple that changed me. bodhisatta said: i recommend common sense and figuring it out. These are the TEKs I use. They're all as cheap and easy as possible, just like your mom.
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OPB
Wanderer

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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: 36fuckin5]
#21950161 - 07/16/15 12:42 AM (8 years, 6 months ago) |
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The bottom is aluminum which isn't perfect but hasn't been an issue for me.
Quote:
36fuckin5 said: These actually seem decent. But I agree with Bodhi, you're solving a problem that doesn't exist. Pouring agar into real petris is cheap and easy.
As stated in the first post you can use these for pour agar. The advantage is they are reusable unlike plastic while also being tougher than glass and quite a bit cheaper as well. The fact that they work for no pour is just a bonus.
-------------------- "Wasn't that fun"
Edited by OPB (07/16/15 12:46 AM)
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cArcace-x
YeAh!!



Registered: 10/17/13
Posts: 2,412
Loc: The Simulator
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21950587 - 07/16/15 06:18 AM (8 years, 6 months ago) |
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--------------------
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OPB
Wanderer

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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: cArcace-x]
#21966984 - 07/19/15 08:04 PM (8 years, 6 months ago) |
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Update: these little dishes are certainly doing the trick!
Here are a number of dishes in various stages of growth and transfer. This is 3 cube strains and an P. Galindoi ATL #7.

So far I've had one trich contaminated but this these are multispore so that's no surprise.
There are a couple which have sticky lids which I am going to take some sandpaper to to try to remedy but many slip right on and off without issue.
I now have 36 of them so there will be more testing to come!
-------------------- "Wasn't that fun"
Edited by OPB (07/19/15 08:05 PM)
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Nature Boy
Stranger than most



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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21969094 - 07/20/15 03:49 AM (8 years, 6 months ago) |
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Never say trich. You don't want your plates to do the trich. 
N.B.
-------------------- All submitted posts under this user name are works of pure fiction or outright lies. Any information, statement, or assertion contained therein should be considered pure unadulterated bullshit. Note well: Sorry, but I do not answer PM's unless you are a long-time trusted friend. If you have a question, ask it in the appropriate thread.
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OPB
Wanderer

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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: Nature Boy]
#21972530 - 07/20/15 07:48 PM (8 years, 6 months ago) |
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These plus the 12 I already have should hold me over for awhile. Time to test!
-------------------- "Wasn't that fun"
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jesuisravi
The Old Noob



Registered: 06/24/15
Posts: 260
Loc: Midwest USA
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21972787 - 07/20/15 08:43 PM (8 years, 6 months ago) |
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This is a great idea! I have been trying to find some kind of no pour device that actually allowed viewing from the top. Bravo OPB!
-------------------- Most of my beliefs I acquired from my father and from John Wayne, and anything that wasn't ultra tough and ultra cool was to me ultra embarrassing. In fact, I lived in a state of near continuous embarrassment, never measuring up to the ridiculous standards I had accepted without question, applied to a framework of expectations neither I nor anyone else could meet.--J C Amberchele almost nothing important that ever happens to you happens because you engineer it. Destiny has no beeper; destiny always leans trenchcoated out of an alley with some sort of 'psst' that you usually can't even hear because you're in such a rush to or from something important you've tried to engineer. ” ― David Foster Wallace, Infinite Jest
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motherchimp
Enthusiast


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Loc: Australia
Last seen: 8 months, 16 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: jesuisravi]
#21973407 - 07/20/15 10:40 PM (8 years, 6 months ago) |
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Actually love this idea a lot and with a bit of searching this is the best I found: http://www.ebay.com.au/itm/144Pc-Aluminium-Container-Jars-with-Glass-Lids-in-a-Wooden-Box-Display-1-9cm-D-/181782796176?nav=SEARCH
Man it would cool having a glass case to view them all, I'll wait till you've trailed and errored them a bit more to smooth out the kinks. Amazing idea though!
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OPB
Wanderer

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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: motherchimp]
#21973588 - 07/20/15 11:15 PM (8 years, 6 months ago) |
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That display would be cool but it wouldn't be very useful for transfers because those tins are so small. You could however just use it for long term storage as a slant case of sorts! If you could figure it out you could store your master cultures on the wall and call them art!
-------------------- "Wasn't that fun"
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motherchimp
Enthusiast


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Loc: Australia
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21973706 - 07/20/15 11:45 PM (8 years, 6 months ago) |
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Oh wow only just noticed that, every other link I opened had them normal size 
New trend of mycoart with framed prints and cultures
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blindingleaf
blue collar underworld


Registered: 07/19/13
Posts: 22,008
Loc: sub-surface unseen
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: motherchimp]
#21973968 - 07/21/15 01:31 AM (8 years, 6 months ago) |
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nice. I'm a plastic pour guy myself, but i like this a lot.
-------------------- A few thoughts on cultivation MICROBIAL HUSBANDRY!!!! The whole is greater than the sum of its parts
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OPB
Wanderer

Registered: 05/30/15
Posts: 198
Last seen: 2 years, 10 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: blindingleaf]
#21975892 - 07/21/15 02:39 PM (8 years, 6 months ago) |
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Now I really wish I hadn't order 36 of these tins. These are a half inch wider and only 1/8 inch deeper for $4.99 for 12! So that's under 42 cents each for aluminum body glass top petris.
http://www.amazon.com/gp/aw/d/B008CO8JDG/ref=mp_s_a_1_3?qid=1437511014&sr=8-3&pi=AC_SX200_QL40&keywords=se+tins+glass+top&dpPl=1&dpID=41Zww-2v-GL&ref=plSrch
-------------------- "Wasn't that fun"
Edited by OPB (07/21/15 02:51 PM)
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Kizzle
Misanthrope


Registered: 08/30/11
Posts: 9,855
Last seen: 17 hours, 56 minutes
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21975968 - 07/21/15 03:00 PM (8 years, 6 months ago) |
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You can make the same thing with a tuna can, ring from a widemouth jar, and some transparent packing tape.
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OPB
Wanderer

Registered: 05/30/15
Posts: 198
Last seen: 2 years, 10 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: Kizzle]
#21976016 - 07/21/15 03:10 PM (8 years, 6 months ago) |
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Quote:
Kizzle said: You can make the same thing with a tuna can, ring from a widemouth jar, and some transparent packing tape. 
These are cheaper than tuna 
All kidding aside that's pretty creative. I bet that's how MacGyver gets is done!
-------------------- "Wasn't that fun"
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blindingleaf
blue collar underworld


Registered: 07/19/13
Posts: 22,008
Loc: sub-surface unseen
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#21976146 - 07/21/15 03:38 PM (8 years, 6 months ago) |
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how long does it take for the tuna smell to leave the can?
-------------------- A few thoughts on cultivation MICROBIAL HUSBANDRY!!!! The whole is greater than the sum of its parts
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Kizzle
Misanthrope


Registered: 08/30/11
Posts: 9,855
Last seen: 17 hours, 56 minutes
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: blindingleaf]
#21976201 - 07/21/15 03:48 PM (8 years, 6 months ago) |
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Depends on how long it takes the cats to lick it clean. 
I don't use tuna cans as petris but I use them as cases when oven sterilizing my glass petris.
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nobody83
stranger danger


Registered: 03/15/14
Posts: 1,486
Loc: around town
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: Kizzle]
#21976236 - 07/21/15 03:57 PM (8 years, 6 months ago) |
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blindingleaf
blue collar underworld


Registered: 07/19/13
Posts: 22,008
Loc: sub-surface unseen
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: nobody83]
#21976242 - 07/21/15 03:59 PM (8 years, 6 months ago) |
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i used a soy sauce bucket from chinese take out trash night for coir for a while, and it took many bricks before the smell went away
-------------------- A few thoughts on cultivation MICROBIAL HUSBANDRY!!!! The whole is greater than the sum of its parts
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RickSanchezC137
Mad Scientist




Registered: 02/02/15
Posts: 127
Loc: Earth Dimension C137
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: blindingleaf]
#21976437 - 07/21/15 04:48 PM (8 years, 6 months ago) |
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I like it, agree that the glad/Tupperware containers can be less than ideal to see into.
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GreenHornThumb
Whisperer Of The Myc



Registered: 10/08/15
Posts: 367
Last seen: 6 months, 17 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#22422189 - 10/23/15 09:56 AM (8 years, 3 months ago) |
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Quote:
OPB said: Now I really wish I hadn't order 36 of these tins. These are a half inch wider and only 1/8 inch deeper for $4.99 for 12! So that's under 42 cents each for aluminum body glass top petris.
http://www.amazon.com/gp/aw/d/B008CO8JDG/ref=mp_s_a_1_3?qid=1437511014&sr=8-3&pi=AC_SX200_QL40&keywords=se+tins+glass+top&dpPl=1&dpID=41Zww-2v-GL&ref=plSrch
Searched around , are these still viable or is there a more reliable favor tins?
Edited by GreenHornThumb (10/23/15 09:57 AM)
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vvHeavyvv



Registered: 02/12/13
Posts: 203
Loc: various
Last seen: 20 days, 21 hours
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: GreenHornThumb]
#22445146 - 10/28/15 02:26 PM (8 years, 3 months ago) |
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TherickSanchez21
Stranger

Registered: 09/13/17
Posts: 156
Last seen: 11 months, 22 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: OPB]
#24671308 - 09/29/17 08:40 PM (6 years, 3 months ago) |
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So how have they continued to work and where did you find them what is the real name of the product?
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jugganuts
Life long explorer



Registered: 07/20/17
Posts: 23
Last seen: 6 years, 2 months
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: TherickSanchez21]
#24672871 - 09/30/17 03:17 PM (6 years, 3 months ago) |
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Just wanted to say seems like a great idea if they keep contamination out! Just bought some myself to test out. Ill report back when iv played with them some.
Just sharing my link on eBay for the containers http://www.ebay.com/itm/262960916450
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PyroMancer
The Wizard



Registered: 05/04/17
Posts: 254
Last seen: 4 months, 28 days
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Re: OPB's Reusable, No Pour, Unbreakable, Glass Top, Agar Petri Dish for under $1 [Re: blackout]
#26223433 - 10/01/19 08:53 PM (4 years, 3 months ago) |
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*UPDATE* I just realized this thread was years old.👎
Use a very fine grit with some kind of natural oil lubricant. It'll kinda wet sand the inner surface but keep it from getting pitted and too chewed in there.. make sure you just spin the cover while squeezing the sand paper around the edge so it doesn't warp the seal for lack of better terms.
-------------------- TRADE LIST
Edited by PyroMancer (10/01/19 09:00 PM)
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