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hazyhorse
scoobin



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i love glass petris & you can too!! 28
#28006384 - 10/19/22 12:09 PM (1 year, 3 months ago) |
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glass petris:
actually kinda cool      been doing glass petris for a bit & figured a little write up on them might be nice to have for people considering using them. a lot of the info on glass petris i've found is scattered across random shroomery posts & not necessarily compiled in a way accessible to people unfamiliar with how to navigate the site. this post is more so just a bit of a guide for people who may be new to agar or who are looking to upgrade from more traditional no pour containers. there isn’t really anything groundbreaking here, so i doubt more experienced cultivators will get much useful information out of this. but there are a lot of ways for a cat to have skin & i feel like it never hurts to have a write up. pros & cons:pros:
- great visibility - really just crystal clear. a substantial upgrade over every other no pour container imo.
- reusable - being able to PC over & over saves you money each time you use the plates while also throwing out way less plastic. plus, you're not dependent on purchasing & waiting for petris to ship when you need new plates, they're always on hand.
- ability to no pour - i only tried pouring my glass dishes once, but it was enough of a pain in the ass that i decided to go back to no pour immediately. maybe i'm just kind of a baby with pouring, but i don't trust my pouring technique & the way i see it... you already have to PC the agar anyways & have to sterilize the glass plates too, doing a no pour method allows you to sterilize both agar & plates simultaneously & eliminates having to pour all together, two birds & all that. they've never boiled over on me, just don't fill them up to the brim with agar & you should be good

- feel & aesthetics - a subjective one for sure, but i personally think they feel great to handle & look amazing. good weight, feels sturdy in your hand. i'm a sucker for glass in general & the petris make me feel like some victorian biologist.
cons:- up front cost - i got mine for about $25 for a 10 pack. if you want a brand like pyrex, it’s likely going to be much more. if you’re trying to buy like 50, it is pretty expensive all at once. but every time you use them, you save money that you would have spent on plastic petris. over time what you spent cancels out. just order a set or two at a time if you like them.
- breakable - they can take a slight bit of abuse, but you don’t want to drop them or knock them into things. they are glass, they are fragile. i cracked one once just by putting a little too much pressure on the center of the lid trying to rip the seran wrap off the plate instead of unwrapping it. usually they are sturdy enough. as long as you treat them gently & are cognizant of how you handle & store them you should be completely fine. true boro/pyrex dishes will probably be very sturdy, but come at a higher cost
- slippery - i don’t find this to be a huge problem but i’ve seen people who have tried glass petris say they are too slippery or slide around a bunch. if you place the piece of seran wrap you took off the plate right underneath it, the plate shouldn't slide around on your surface while you're cutting. you can also just pick them up (carefully). i don't personally find them that challenging to work with
- cleaning - probably the biggest con of glass plates for most people. i won't lie, it kinda sucks to have to wash 40 plates all at once. i don't have to make agar too often when i do large batches, but if you were really burning through plates i could see this getting annoying. i've found that cleaning plates as they are done being used & storing them away until i need them again makes it much more manageable. it's way less work to clean 1 to 5 plates here & there than it is to wash your entire inventory of petris at once. as long as i'm not being lazy & cleaning my plates in a timely manner, they don't pile up & it's much less overwhelming when i do need to make more agar. i wash them & then dry with a microfiber cloth, but if you soak them in a vinegar + water solution you should be able to let them air dry
- may arrive broken - shipping glass shit is tough. you may end up with some broken plates. if you get in contact with the seller, they should replace them. still annoying, though
- potential con for SAB users - large batches can be annoying unless you have a huge SAB. i was using a 110qt & the 40+ plates in there were a bitch to unwrap & let dry. if you have a nice, big SAB i could see it being easier to do a large batch. it may be best to stagger your agar runs & make smaller batches a little more frequently if you find the large amount of plates unruly in the SAB. unwrapping the plates is a pretty slow process too, since you're constantly stirring up air when you unwrap the plates. it's doable but kind of slow, especially in those large batches. the flowhood is all around much better for them in this regard. still very doable in the SAB though!
sizes i use these plates specifically, but anything glass in the same sizes should be fine. there are a few sizes to choose from. i have the 60mm, 75mm, & 90mm plates. i mainly use the 75mm plates. i didn't realize it when i first bought them, but it seems most people use 90-100mm plates around here. personally, i think the 75mm is a great size to work with. the plates are big enough that you can let a culture grow out substantially but won't be pouring tons of agar that will go to waste when taking quick transfers. the 90mm plates feel a bit excessive to me, but are my second choice in size. i'll sometimes use them as spore germination plates or when growing out a culture to send to like 5+ grain jars, but recently i have been using them for water agar since the myc seemingly likes to run on WA. the 60mm are rather small, & i don't find myself using them much. they are good for quick transfers, but i don't know if they are worth buying specifically for that. the 75mm are the best balance of size to practicality imo. my plates are mostly 15mm deep, with the 90mm plates being 20mm deep. 15mm is plenty deep for no pour agar, just don't fill them up half way (this is way too much agar anyways) & don't throw around the PC while they are cooling & you should be primo  how to make themagain, nothing ground breaking, it's just a no pour agar tek. but i want this to make sense for people unfamiliar with agar & there are a few little details that might make glass petris easier to work with. if you really wanna pour them, you can follow sandman420's guide here to sterilize the plates. i recommend using them as no pour containers though. you can really use whatever agar recipe floats your boat. i personally use d3’s recipe but the recipe isn’t really what’s important here. pastywhyte's, or really any agar recipe will work. my process is essentially the same as making any no pour agar plates, just with some special considerations in method for the glass petris you can kinda try to figure out how much you'll need per plate... but most recipes are made relative to 90-100mm plates, & my dumb ass can never figure out the right ratios to get the exact amount of agar i'll need to fill the specific number of plates i'm making. to get around this, i've just been making more agar than i actually need & pouring the left over stuff into a PC safe vessel (a mason jar works excellently, just make sure the jar or vessel is able to vent properly during the cycle). PC this with your plates & you'll have agar ready for the next time you have to pour some.   (left over agar comes in very clutch when you just need to whip up a smaller batch of plates real quick. i've let jars sit unused for a month + & the agar is totally fine. you can reheat it by microwaving it for a few seconds at a time until it starts to melt. WATCH THE AGAR THE ENTIRE TIME IT'S IN THE MICROWAVE!! the moment you look away is the moment it will boil over. it happens fast, so the moment you see bubbling, stop the microwave. stir it up, & if there are still chunks, keep heating it until there aren't. alternatively, you could probably try scooping out chunks of agar into a pot & heat it that way, or just heat the jar while holding it with tongs in a pot of boiling water, or just place chunks of agar in the plates to melt in the PC cycle, or... anything idc get creative- it's your life) i use a pyrex liquid measuring cup to pour my agar into my plates, but you can pour out of the pot or out of a jar or whatever you want really, the little spout just makes it easier to pour without drips. i like to have a paper towel ready in my other hand to wipe up any agar drips off the vessel i'm pouring from like a sommelier pouring wine. i will let them solidify & cool off a little before placing the lid on them. 
now you'll wrap them in foil & stack them as high as you can in your PC. the way i lift my trivet & the size of my plates lets me do 7 plates in a stack in my 16qt, you may be able to do more or less depending on your set up. test this out before you wrap them, obviously. i like foil because it keeps the plates sturdy so they won't slide off each other during the cycle, & you can reuse the foil if you're careful enough! recently, i haven't been wrapping mine for the most part, as i use containers to PC them in now. but when i do have to wrap in foil, i find wrapping with two pieces & making a top & bottom like pictured makes it much easier to unwrap once you're ready to use them.  these are some quart sized ziplocks that fit my 75mm plates well. there is unfortunately some headspace lost to a slight taper, which leaves me able to do 6 plates at a time when i probably could fit 8 in there otherwise, but it's not a big enough issue for me to work around it yet. happened to have these on hand & wasn't using them so said fuck it lol. 24 plates a run is super acceptable for me right now, easy enough to make more containers if i needed them. i just drilled out some largish holes with a knife & covered them with 2 layers of micropore tape. i made about 6 holes, may bump it to 8 just to help with drying times, they can stay moist for quite a few days it seems. i cover the tops with foil in the PC just to keep the top tape from getting too soaked. you could probably used SFDs if you really wanted, but i don't see MP tape causing problems in this instance. i also like these containers because i can just slap the cover back on after i grab the plates i need, eliminating the need to wrap any unused plates if i don't want to. mainly it's just nice for going directly onto a shelf until needed- no need to set up the SAB or let them dry in front of a hood. i'm sure you could find plenty of containers that would work if you get creative! i also added a thin strip of foil under the bottom petri that i fold up the sides of the dishes so i can pick the whole stack up by just pinching the sides of the foil, just makes that bottom plate way easier to handle. (there are petri racks like this that can be used, but they are pretty pricey & will probably be too tall for 16qt cookers anyways. would probably be nice if it fits yours, though!) also forgot a pic here so... small batch!some people may prefer to wrap them with a single piece of foil, which SirPsycho outlines in this post.throw it all in your PC & run it for 20-60 minutes under pressure. you can easily fit 30+ plates in the 16qt cooker with foil or good containers. i usually do 30-45min for my agar. (if you don't know how to use a pressure cooker, check this out.) once it's done, carefully move the PC to a place to a place to cool. make sure to lift it without sloshing it around, as the agar is still hot in the plates & you don't want it spilling out. i let mine cool overnight in the PC. make sure your PC sits level, otherwise your plates may be a little slanted. not the biggest deal typically, but it may bother some people from an aesthetic stand point. you can check if your PC sits level by putting a jar in the PC & checking it with a bubble level set on top. if it's not level, you may have to set a towel under certain parts of your PC so that it sits level & your agar cools flat in the plates. you CAN take the plates out hot using jar grabbers or something, but you have to be really careful when moving the PC and plates because of the liquid agar. ime it's more worth it to just let them cool in the PC once it's cool enough that the agar has solidified, take the PC over to your SAB or flowhood & place the stacked plates in there. slowly begin to unwrap the plates. the foil gets kinda brittle after the PC & when it's all just once piece the plates can be tricky to get out of the foil without destroying it. the two pieces makes this a little easier. it's still kinda tricky, but you can keep the foil mostly intact if you're careful while unwrapping. i can reuse foil quite a few times as long as i don't have any major tears. just take it slow when unwrapping the plates- you don't wanna bump anything during this process. (if in an SAB, take your time. when i used an SAB with these petris, i just exposed the plates but didn't take them off the foil right away & let them dry for a bit. then, i'd remove them from the foil & let them dry more from there. again, smaller batches or a larger SAB makes this much easier.) once the plates are exposed, i'll grab them in stacks of 5 or so (grab as many as you feel comfortable with- better safe than sorry!) & place them where i want them to dry. i'll dry them in stacks of 10, but if you have a cramped work space you probably don't want giant stacks of breakable things where they can be easily knocked over. use your discretion with this. i'd leave the plates at least overnight in the SAB, a day or two if i could afford it (cover the arm holes). a few hours in front of a flowhood should help quite a bit, just make sure it doesn't go too long & dry the plates out. a lot of the condensation should clear up in storage or in use, but even if it doesn't don't worry too much. i find it generally clears up enough during use & shouldn't affect anything on the plates in my experience, you can leave the petris wrapped in foil for weeks on the shelf with no issue. they didn't seem to dry out as well this way, though, so it might not be the best for avoiding condensation. YMMV there, but they shouldn't contaminate on you. sir P leaves his PP5s completely unwrapped, & it seems that even my glass petris do OK unwrapped as long as they are handled delicately. however, i'm too clumsy to trust myself handling them unwrapped so i prefer to wrap them even when unused  when your petris are dry on the outside, they're ready to be wrapped!(in case you’re a dumbass like i am when i first got these, you need to wrap petris with cling wrap or parafilm… lol). i will use some plates fresh if i need to make any transfers, then will start wrapping in stacks. wrap your individual plates with a 1-2" wide roll of cling wrap once or twice around the bottom, making sure the cling wrap completely covers all gaps in the petri lid. when doing batch wrapping, it can be kinda hard to wrap tall stacks. cutting your cling wrap down to a size that can wrap 5 plates (or however many you are comfortable handling) will make this a lot easier than trying to wrap 10 all in one stack. i'll kind of pinch the cling wrap to the bottom plate with my pinky, then kind of lean them into the cling wrap & into my hand as i roll & continue to wrap. hard to explain, but it gets easier when you try it. alternatively, you can (very carefully!) wrap your plates like p9hu7 does in this handy gif:
 put your wrapped stacks & plates on whatever you use to hold plates  when you need to use plates, either unwrap the stack completely & individually wrap any plates you didn't use or just use a scalpel/your hands & cut out how many plates you want to use. [
i love mine, but not everyone is a fan.  if you’re unsure, order a 5 or 10 pack to test out before you order 60 of them & find out you hate them. practice how they feel to use in a realistic scenario before you make your first batch with agar in them. they may not be your thing, & that's totally fine, but i don't think they are as bad as i've seen people make them out to be sometimes. if you want to stick to reusable or no pour containers, glass petris are 100% worth the investment in my opinion. peace       
Edited by hazyhorse (10/27/23 08:41 PM)
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DERRAYLD
Constructus


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Re: i love glass petris & you can too!! [Re: hazyhorse] 3
#28018656 - 10/27/22 03:46 AM (1 year, 3 months ago) |
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Excellent write up, saves me the trouble  Exactly how I make my no pour glass petris.
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hazyhorse
scoobin



Registered: 03/19/19
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Re: i love glass petris & you can too!! [Re: DERRAYLD] 2
#28018658 - 10/27/22 03:49 AM (1 year, 3 months ago) |
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thank you friend! glad i could save ya the time. let the thread know if you have any personal tips i missed out on. they're pretty simple conceptually but not everyone has the background in agar & i wanted to lay it out as clearly as possible
-------------------- you're not the first to set foot here, just another =================================== i love glass petris & you can too!! posts i constantly refer back to new to mushroom cultivation?? read this!! ===================================
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UkaUka
Cpt



Registered: 05/12/22
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Loc: Eastern Europe
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Re: i love glass petris & you can too!! [Re: hazyhorse] 3
#28018662 - 10/27/22 04:00 AM (1 year, 3 months ago) |
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Thanks a lot mate! Just finished my first pour of agar, in 20 plastic and some glass dishes I got just for testing. The ability to do no pour in them is a he changer plus you don't end up with all this plastic waste. Keep it up!
-------------------- Writing is good, thinking is better. Cleverness is good, patience is better. looking for any give-away spore prints.
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Shrimps
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Re: i love glass petris & you can too!! [Re: hazyhorse] 2
#28018663 - 10/27/22 04:00 AM (1 year, 3 months ago) |
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Very nice write up Hazy!
I am also using Glass petris since I started. It was more because I could get them for free at that time, and I have never regret getting those.
Although depending on which Glass they're made of, when one of mine break it always hurts
I totally agree with you, Glass is worth the investment. And I am not a fan of wasting that much plastic either ^^
mush love <3
edit: and they feel much nicer than plastic imo
Edited by Shrimps (10/27/22 04:05 AM)
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hazyhorse
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Re: i love glass petris & you can too!! [Re: UkaUka] 2
#28018668 - 10/27/22 04:08 AM (1 year, 3 months ago) |
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glad you enjoyed the read uka! yeah, the ability to no pour these is great. it's a drop in the bucket at the end of the day, but it does make me feel a little better personally to not be throwing out so many petris all the time.
shrimps, glad you're on the glass petri wave too <3 it does hurt my soul whenever i break a petri, but luckily it doesn't happen too often. i'm surprised how sturdy they are sometimes. mush love friend!! also, excellent avatar
-------------------- you're not the first to set foot here, just another =================================== i love glass petris & you can too!! posts i constantly refer back to new to mushroom cultivation?? read this!! ===================================
  🅃 🄴 🄰 🄼 🄲 🄻 🄸 🄽 🄶 🅆 🅁 🄰 🄿
Edited by hazyhorse (10/27/22 04:21 AM)
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SirPsycho
Purple Belt in Google-Fu



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Re: i love glass petris & you can too!! [Re: hazyhorse] 2
#28018683 - 10/27/22 04:41 AM (1 year, 3 months ago) |
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What would happen if I left them in the foil until use? One of the main reasons I chose no-pour to start with is not having to set up the SAB timed to the PC cycle and then leaving it out while they cool.
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Ask me about free Ps tampanesis, Ps subtropicalis and Ps cubensis (ESS) prints Balance in life is like running on ice.
🅑🅞🅣🅣🅛🅔 🅖🅐🅝🅖
    "Mist your balls and fan your asshole" - Pandaskis, 2023
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smokypi
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Re: i love glass petris & you can too!! [Re: hazyhorse] 3
#28018686 - 10/27/22 04:48 AM (1 year, 3 months ago) |
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Thank you for the write up! I was doing agar with different kinds of pp5 containers, but was never really satisfied with handling and visibility. I'm going to order some glass petris now, found a good deal online in my country.
-------------------- “I am in fact, a hobbit in all but size” ------------------------------ My first try at the SFF Shoebox TEK ------------------------------ PF TEK SFF Shoebox TEK
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Rusty2096
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Re: i love glass petris & you can too!! [Re: hazyhorse] 2
#28018696 - 10/27/22 05:00 AM (1 year, 3 months ago) |
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Excellent work. When I finally move to glass, I'll know where to start all thanks to you!
-------------------- Currently looking for nothing. You guys who sent me stuff are straight up awesome!. We don't own things - things own us. Semi-solid liquid culture (SSLC)
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Suckatshrooms
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Registered: 09/26/22
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Re: i love glass petris & you can too!! [Re: Rusty2096] 2
#28018807 - 10/27/22 07:38 AM (1 year, 2 months ago) |
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I think it’s important to note that your current observations on glass being more fragile may just be brand related. I have Pyrex and noticed the opposite. They are way tougher and less fragile than the plastic. I’ve broken plenty of plastic on accident just trying to wrap, but no issue with the glass.
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Suckatshrooms
Seriously, don’t listen to me.


Registered: 09/26/22
Posts: 157
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Re: i love glass petris & you can too!! [Re: SirPsycho] 2
#28018813 - 10/27/22 07:42 AM (1 year, 2 months ago) |
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Quote:
SirPsycho said: What would happen if I left them in the foil until use? One of the main reasons I chose no-pour to start with is not having to set up the SAB timed to the PC cycle and then leaving it out while they cool.
That’s what I do. They come out of the foil in the SAB right before I use them.
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SirPsycho
Purple Belt in Google-Fu



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Re: i love glass petris & you can too!! [Re: Suckatshrooms] 2
#28018814 - 10/27/22 07:43 AM (1 year, 2 months ago) |
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Quote:
Suckatshrooms said:
Quote:
SirPsycho said: What would happen if I left them in the foil until use? One of the main reasons I chose no-pour to start with is not having to set up the SAB timed to the PC cycle and then leaving it out while they cool.
That’s what I do. They come out of the foil in the SAB right before I use them.
And just to double check, you let them sit in the foil for extended periods of time. I.E. days
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Ask me about free Ps tampanesis, Ps subtropicalis and Ps cubensis (ESS) prints Balance in life is like running on ice.
🅑🅞🅣🅣🅛🅔 🅖🅐🅝🅖
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ruawakeyet


Registered: 05/03/21
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Re: i love glass petris & you can too!! [Re: SirPsycho] 2
#28018997 - 10/27/22 09:37 AM (1 year, 2 months ago) |
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Thank you hazyhorse! This write up is EXACTLY what I needed! I looked at and liked many options that people are using, but if I'm going to buy something new for my hobby, I'm going to get really picky about every little detail. I don't want to realize later on that I chose the wrong path again. (Like using jars for so long, only to realize they are the reason I get pissed off trying to use them.) Every other option had something about it I didn't like, but I think I can live with the few disadvantages these carry.
I also hadn't considered using different sizes for different purposes. I like that concept, even though I will probably go with one size to start. (Since I use A2G for my primary inoculation method, I'll probably go with the 90 mm, even though I could see ordering some 75s in the future for quick transfers like you mentioned.)
Ultimately for me, it comes down to not wanting to throw away plastic, wanting the best visibility I can get, and not having high walls to work around.
The gloves I wear for my SAB work are dish washing gloves, and they have a textured surface that should help grip the lid while using. I hope that will minimize the slick nature of these.
As far as them being breakable glass, I'm used to handling borosilicate functional glass. I have worked in a head shop before, and had to handle / clean glass that was much more expensive than these. That experience, in addition to what I own and use on the regular, gives me confidence that I can be careful enough with these that they will last for a long time.
But if I end up not liking these, I'm going to blame you hazyhorse! (JK!)
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SirPsycho
Purple Belt in Google-Fu



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Re: i love glass petris & you can too!! [Re: ruawakeyet] 3
#28019193 - 10/27/22 11:20 AM (1 year, 2 months ago) |
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Quote:
ruawakeyet said:

Thank you hazyhorse! This write up is EXACTLY what I needed! I looked at and liked many options that people are using, but if I'm going to buy something new for my hobby, I'm going to get really picky about every little detail. I don't want to realize later on that I chose the wrong path again. (Like using jars for so long, only to realize they are the reason I get pissed off trying to use them.) Every other option had something about it I didn't like, but I think I can live with the few disadvantages these carry.
I also hadn't considered using different sizes for different purposes. I like that concept, even though I will probably go with one size to start. (Since I use A2G for my primary inoculation method, I'll probably go with the 90 mm, even though I could see ordering some 75s in the future for quick transfers like you mentioned.)
Ultimately for me, it comes down to not wanting to throw away plastic, wanting the best visibility I can get, and not having high walls to work around.
The gloves I wear for my SAB work are dish washing gloves, and they have a textured surface that should help grip the lid while using. I hope that will minimize the slick nature of these.
As far as them being breakable glass, I'm used to handling borosilicate functional glass. I have worked in a head shop before, and had to handle / clean glass that was much more expensive than these. That experience, in addition to what I own and use on the regular, gives me confidence that I can be careful enough with these that they will last for a long time.
But if I end up not liking these, I'm going to blame you hazyhorse! (JK!)
Ditch the gloves, come over to the dark side. We got mushrooms.
--------------------
Ask me about free Ps tampanesis, Ps subtropicalis and Ps cubensis (ESS) prints Balance in life is like running on ice.
🅑🅞🅣🅣🅛🅔 🅖🅐🅝🅖
    "Mist your balls and fan your asshole" - Pandaskis, 2023
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ruawakeyet


Registered: 05/03/21
Posts: 1,862
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Re: i love glass petris & you can too!! [Re: SirPsycho] 1
#28019329 - 10/27/22 12:38 PM (1 year, 2 months ago) |
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Quote:
SirPsycho said: Ditch the gloves, come over to the dark side. We got mushrooms.
I was afraid I was the reason you started that poll! 
I've got mushies too, they're just not fresh. I'm excited to freshen up my stash though!!!
Mush love!
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SirPsycho
Purple Belt in Google-Fu



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Re: i love glass petris & you can too!! [Re: ruawakeyet] 2
#28019335 - 10/27/22 12:40 PM (1 year, 2 months ago) |
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Quote:
ruawakeyet said:
Quote:
SirPsycho said: Ditch the gloves, come over to the dark side. We got mushrooms.
I was afraid I was the reason you started that poll! 
I've got mushies too, they're just not fresh. I'm excited to freshen up my stash though!!!
Mush love!
Been wanting to ask that for a while, you just reminded me.
--------------------
Ask me about free Ps tampanesis, Ps subtropicalis and Ps cubensis (ESS) prints Balance in life is like running on ice.
🅑🅞🅣🅣🅛🅔 🅖🅐🅝🅖
    "Mist your balls and fan your asshole" - Pandaskis, 2023
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hazyhorse
scoobin



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Re: i love glass petris & you can too!! [Re: ruawakeyet] 1
#28019349 - 10/27/22 12:44 PM (1 year, 2 months ago) |
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thank you all for the kind replies <3
Quote:
Suckatshrooms said: I think it’s important to note that your current observations on glass being more fragile may just be brand related. I have Pyrex and noticed the opposite. They are way tougher and less fragile than the plastic. I’ve broken plenty of plastic on accident just trying to wrap, but no issue with the glass.
yeah, i could see the pyrex ones being fucking sick. they are just like $100 for a pack & i found that hard to justify at my current income, but i think you're right about the brand. a quality borosilicate glass plate is gonna be borderline indestructible Quote:
SirPsycho said:
Quote:
Suckatshrooms said:
Quote:
SirPsycho said: What would happen if I left them in the foil until use? One of the main reasons I chose no-pour to start with is not having to set up the SAB timed to the PC cycle and then leaving it out while they cool.
That’s what I do. They come out of the foil in the SAB right before I use them.
And just to double check, you let them sit in the foil for extended periods of time. I.E. days
i never even considered this, but yeah if they were wrapped well enough i could see this being fine. i usually use janky foil with some holes in parts of it so it never really occurred to me lol. would be nice to validate that they can sit on the shelf for extended periods though. may add that consideration into the OP & do a little test myself next time i make plates. only caveat i could see is that the foil might not let them dry out so there may be condensation? but like i said, i always have it clear up once actually in use or in seran wrap. i get not wanting to set up the SAB for all this, though, so i hope the foil storage works well.
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ruawakeyet said:

Thank you hazyhorse! This write up is EXACTLY what I needed! I looked at and liked many options that people are using, but if I'm going to buy something new for my hobby, I'm going to get really picky about every little detail. I don't want to realize later on that I chose the wrong path again. (Like using jars for so long, only to realize they are the reason I get pissed off trying to use them.) Every other option had something about it I didn't like, but I think I can live with the few disadvantages these carry.
I also hadn't considered using different sizes for different purposes. I like that concept, even though I will probably go with one size to start. (Since I use A2G for my primary inoculation method, I'll probably go with the 90 mm, even though I could see ordering some 75s in the future for quick transfers like you mentioned.)
Ultimately for me, it comes down to not wanting to throw away plastic, wanting the best visibility I can get, and not having high walls to work around.
The gloves I wear for my SAB work are dish washing gloves, and they have a textured surface that should help grip the lid while using. I hope that will minimize the slick nature of these.
As far as them being breakable glass, I'm used to handling borosilicate functional glass. I have worked in a head shop before, and had to handle / clean glass that was much more expensive than these. That experience, in addition to what I own and use on the regular, gives me confidence that I can be careful enough with these that they will last for a long time.
But if I end up not liking these, I'm going to blame you hazyhorse! (JK!)
i'm very glad you found it helpful! if it helps even one person then writing this was worth it. everything is a give & take, all methods are gonna have their pros & cons. glass petris have a good balance imo. it's really important to have equipment & methods you like using. i realized my jank SAB was making me drag my feet on a lot of my sterile work because every time i used it i hated it more & more lol.
the visibility & reusable nature of them while also being no pour is the perfect combo for me. hands down the best no pour containers.
like sirpsycho seems to, i actually work barehanded! but if your gloves have good grip that's a huge plus. if you're used to handling glass to that degree, i'm sure you can handle some plates with a deft touch.
i think you'll like em, but i'll take the heat if you don't
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SirPsycho
Purple Belt in Google-Fu



Registered: 01/01/20
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Re: i love glass petris & you can too!! [Re: hazyhorse] 2
#28019360 - 10/27/22 12:49 PM (1 year, 2 months ago) |
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Quote:
hazyhorse said:
like sirpsycho seems to, i actually work barehanded!
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Ask me about free Ps tampanesis, Ps subtropicalis and Ps cubensis (ESS) prints Balance in life is like running on ice.
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hazyhorse
scoobin



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Re: i love glass petris & you can too!! [Re: SirPsycho] 3
#28019379 - 10/27/22 12:59 PM (1 year, 2 months ago) |
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raw dogging that shit just feels sooooo good
-------------------- you're not the first to set foot here, just another =================================== i love glass petris & you can too!! posts i constantly refer back to new to mushroom cultivation?? read this!! ===================================
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bongoman
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Re: i love glass petris & you can too!! [Re: hazyhorse] 1
#28020551 - 10/27/22 11:36 PM (1 year, 2 months ago) |
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Thoughts on the height of glass petris?
I see they come in various heights: 15mm, 20mm, 25mm.
I imagine if doing no pour, the height might be a relevant issue?
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