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Invisiblematits
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Duropore Tape
    #7158532 - 07/10/07 10:52 PM (17 years, 6 months ago)

I came across some 3M "Duropore" Tape. 2". can I use this as a filter for my jar lids? Will this provide air exchange like a filter? It is silk like. It is like fabric.


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    Matits
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Anything Matits says or insinuates is a lie and is totally constructed of lies. It is a fairy tale and should be taken at face value. Matits makes things up that are untrue. Any picture or statements made by Matits are made up or fabricated... like Trump's wig.


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Offlinemakaveli8x8
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Re: Duropore Tape [Re: matits]
    #7158585 - 07/10/07 11:06 PM (17 years, 6 months ago)

lol just flip your lids upside down and don't drill a hole in them, i dunno why so many go through all that trouble. Ive never went through the trouble of testing jars side by side but all my flipped lids colinize in a decent time....

im gunna guess they grow about the same, but for giggles at the MOST your losing is a week or 2, and is that week or 2 worth the trouble of drilling holes, buying tape, putting it on, taking it off, replacing rusted lids....i think not.


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We were sent to hell for eternity :hellfire: Ø:omgawesome:h®
We play on earth to pass the time :foreheadslap:

Over-population the root of all Evil-brings the Elites Closer to the gates.

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Invisiblematits
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Re: Duropore Tape [Re: makaveli8x8]
    #7159735 - 07/11/07 08:09 AM (17 years, 6 months ago)

But correct me if I am wrong. Isn't gas exchange super important? Isn't it what stalls growing mycelium out when they don't get enough? If I don't have a vermiculite layer as a filter like for a popcorn tek, then it needs to breath and there is no filter layer. So you would need something. Popcorn is suposed to be really easy to contaminate.


--------------------
---        ---
    Matits
---        ---
--------------------

Anything Matits says or insinuates is a lie and is totally constructed of lies. It is a fairy tale and should be taken at face value. Matits makes things up that are untrue. Any picture or statements made by Matits are made up or fabricated... like Trump's wig.


My favorite NSFW shirt company I buy a ton of shirts from.
http://tiny.cc/myfavshirtsite

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Offlinemakaveli8x8
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Re: Duropore Tape [Re: matits]
    #7162173 - 07/11/07 05:28 PM (17 years, 6 months ago)

you need gas exchange nomatter if you use verm or hay or seasalt for a top layer.

you flip the lids INSTEAD of drilling a hole and taping it.

when the lid is flipped it does not seal tightly, resulting in small gas exchange, which in my experience is enough.


--------------------
We were sent to hell for eternity :hellfire: Ø:omgawesome:h®
We play on earth to pass the time :foreheadslap:

Over-population the root of all Evil-brings the Elites Closer to the gates.

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Invisiblematits
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Re: Duropore Tape [Re: makaveli8x8]
    #7174211 - 07/14/07 09:30 AM (17 years, 6 months ago)

I found some micropore tape by 3M. It looks like it would be better as far as a filter. It is more like tyvek in looks.


--------------------
---        ---
    Matits
---        ---
--------------------

Anything Matits says or insinuates is a lie and is totally constructed of lies. It is a fairy tale and should be taken at face value. Matits makes things up that are untrue. Any picture or statements made by Matits are made up or fabricated... like Trump's wig.


My favorite NSFW shirt company I buy a ton of shirts from.
http://tiny.cc/myfavshirtsite

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InvisibleCureCat
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Re: Duropore Tape [Re: matits]
    #7174324 - 07/14/07 10:03 AM (17 years, 6 months ago)

Makaveli- flipping the lid provides gas exchange, but not filtration.

Micropore tape is optimal.


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Invisiblematits
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Re: Duropore Tape [Re: CureCat]
    #7176529 - 07/14/07 08:48 PM (17 years, 6 months ago)

Quote:

CureCat said:
Makaveli- flipping the lid provides gas exchange, but not filtration.

Micropore tape is optimal.





Thanks cat... that was what I was looking for. I don't get it. You ask something and 10 people tell you something else, when all you wanted was yes or no, or the one on the right or the one on the left. I know I don't know what is best but this is what I got. I almost broke into some sublime lyrics.


--------------------
---        ---
    Matits
---        ---
--------------------

Anything Matits says or insinuates is a lie and is totally constructed of lies. It is a fairy tale and should be taken at face value. Matits makes things up that are untrue. Any picture or statements made by Matits are made up or fabricated... like Trump's wig.


My favorite NSFW shirt company I buy a ton of shirts from.
http://tiny.cc/myfavshirtsite

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InvisibleCureCat
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Re: Duropore Tape [Re: matits]
    #7176620 - 07/14/07 09:07 PM (17 years, 6 months ago)

Quote:

matits said:
I almost broke into some sublime lyrics.



Oh god no- please, anything but that...  :shakecat:


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Offlinemakaveli8x8
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Re: Duropore Tape [Re: CureCat]
    #7177115 - 07/14/07 11:14 PM (17 years, 6 months ago)

when you have tried flipping a lid, please come back and comment about its filtration abilitys, until then please stop with misinformation.

because i myself will never drill another hole in my life or waste $3 for a roll of tape i DIDN"T need because of misinformation.


--------------------
We were sent to hell for eternity :hellfire: Ø:omgawesome:h®
We play on earth to pass the time :foreheadslap:

Over-population the root of all Evil-brings the Elites Closer to the gates.

Edited by makaveli8x8 (07/14/07 11:16 PM)

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InvisibleCureCat
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Re: Duropore Tape [Re: makaveli8x8]
    #7177358 - 07/15/07 12:43 AM (17 years, 6 months ago)

Quote:

makaveli8x8 said:
when you have tried flipping a lid, please come back and comment about its filtration abilitys, until then please stop with misinformation.

because i myself will never drill another hole in my life or waste $3 for a roll of tape i DIDN"T need because of misinformation.



It is NOT misinformation.
Because you did not get any contaminants using this method, does not mean that flipping a lid upside down allows for filtration.

Anecdote is not evidence.

I never said your method is a poor one, I simply said it does not act as a filter.


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Offlinemakaveli8x8
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Re: Duropore Tape [Re: CureCat]
    #7178154 - 07/15/07 06:19 AM (17 years, 6 months ago)

if its not misinformation then why does 90% of people on here start off drilling holes and buying tape?

perhaps i misinformed myself when i first started learning and felt that i "had" to have filtration. and i feel 90% of others must be doing this as well, this i feel is misinformation.<--people think they have to drill and use tape or fail.

also it is debatable i feel about lids being filters. flipping the lid stops it from forming a "tight" perfect seal. Which results in it leaving a very small uniform gap. This gap is a certain size (which i have not measured but i know its a small one that would be hard to measure) which only certain things will fit through.

Which is very similar to tape in that it has very small holes in it that only certain things will pass through.

And this is the misinformation, everyones thinks you need tape for filtration, but they don't realize a flipped lids + your metal ring keeping it on provides at least "some" filtration(I feel its close to the same) enough to keep +98% of contams out

Bottom line is your going to get "nearly" the same results either way you go.


my purpose in this thread is to try and save others time

I feel tape and drilling holes is overkill and wasteful compared to the ease and simplicity of flipping a lid.

just trying to help prevent what happened to me, from happening to others.

and to the original poster this isn't just for "you" its for anyone else that reads this thread


--------------------
We were sent to hell for eternity :hellfire: Ø:omgawesome:h®
We play on earth to pass the time :foreheadslap:

Over-population the root of all Evil-brings the Elites Closer to the gates.

Edited by makaveli8x8 (07/15/07 06:28 AM)

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InvisibleCureCat
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Re: Duropore Tape [Re: makaveli8x8]
    #7178541 - 07/15/07 09:08 AM (17 years, 6 months ago)

Quote:

makaveli8x8 said:
if its not misinformation then why does 90% of people on here start off drilling holes and buying tape?



Because it makes the most sense.


Quote:

makaveli8x8 said:
perhaps i misinformed myself when i first started learning and felt that i "had" to have filtration. and i feel 90% of others must be doing this as well, this i feel is misinformation.<--people think they have to drill and use tape or fail.



A feeling is not misinformation. I never said or even suggested that this user would fail if he did not use micropore tape. I simply said that it is the optimal method in most peoples opinion.



Quote:

makaveli8x8 said:
also it is debatable i feel about lids being filters. flipping the lid stops it from forming a "tight" perfect seal. Which results in it leaving a very small uniform gap. This gap is a certain size (which i have not measured but i know its a small one that would be hard to measure) which only certain things will fit through.

Which is very similar to tape in that it has very small holes in it that only certain things will pass through.

And this is the misinformation, everyones thinks you need tape for filtration, but they don't realize a flipped lids + your metal ring keeping it on provides at least "some" filtration(I feel its close to the same) enough to keep +98% of contams out



This is a great example of speculation, and nothing more.

Just because you feel that flipping a lid provides some filtration does not mean that it does.

For instance, if you blew a cloud of green mold spores at a jar with a flipped lid and no other filtration, and then did the same to a jar with micropore tape over tiny holes, I think (I have not done the experiment, I am also speculating, which is no better nor worse than your own) that spores would fit through the gap from the flipped lid, but definitely not through the micropore tape.

Please stop belittling me with your opinion, it is not effective, and makes you sound like a jerk, not a mycologist.

If you can provide proof with which to strike down my claims, go for it. I am open to constructive criticism.


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Offlinemakaveli8x8
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Re: Duropore Tape [Re: CureCat]
    #7180301 - 07/15/07 06:35 PM (17 years, 6 months ago)

my proof is me using flipped lids and their are how many billions of spores in open air?, like i said try a flipped lid trial jar and come back here please.


--------------------
We were sent to hell for eternity :hellfire: Ø:omgawesome:h®
We play on earth to pass the time :foreheadslap:

Over-population the root of all Evil-brings the Elites Closer to the gates.

Edited by makaveli8x8 (07/15/07 06:36 PM)

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Offlinemakaveli8x8
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Re: Duropore Tape [Re: makaveli8x8]
    #7180737 - 07/15/07 08:18 PM (17 years, 6 months ago)

here i thought this thread might benefit from some pictures

*they are wrapped in plastic for long term storage in the fridge

again how does drilling holes and buying tape make more sense or more optimal than just flipping a lid?

i think my results below speak for themselves(it works and well, prove tape is better)

and it works both ways, prove tape provides filtration :lol:





as you can see some of the jars have agar in them, contam is not an issue with flipped lids(just so other viewers clearly understand this, aka not saying you said otherwise).

and yes folks you can use jars for agar, no need to buy agar plates for a few cultures.


--------------------
We were sent to hell for eternity :hellfire: Ø:omgawesome:h®
We play on earth to pass the time :foreheadslap:

Over-population the root of all Evil-brings the Elites Closer to the gates.

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InvisiblePsychoslut
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Re: Duropore Tape [Re: makaveli8x8]
    #7181479 - 07/15/07 11:05 PM (17 years, 6 months ago)

Its a pf cake not rocket science. There's a 1001 ways to get a fully colonized pf cake and one is not better than the other because the end result is always the same.

I don't see the point in flipping the lid upside down. It makes a less perfect seal but its still sealed pretty good. Making the pf cake with 4 holes and a verm barrier is tried and proven, if the jar stalls flip the entire jar not the lid.


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[quote]KristiMidocean said:
Good now thats clear.WHO FUCKING CARES. If I am fat u all keep pointing it out like its suppose to be a secret.LIke u really have nothing better to do then make fat jokes. If o know its like I do I know yall can come up with NEW AND BETTER SHIT . This shit is old and boring . I left in the first place cause this shit got boring not because of the fat jokes . Fat jokes dont bother me but seriously its old[/quote]

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InvisibleCureCat
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Re: Duropore Tape [Re: makaveli8x8]
    #7186020 - 07/16/07 11:51 PM (17 years, 6 months ago)

Quote:

makaveli8x8 said:
my proof is me using flipped lids and their are how many billions of spores in open air?, like i said try a flipped lid trial jar and come back here please.



I'm not making any unsubstantiated claims, and have no interest in doing any controlled tests to prove or disprove your point, since it is not of any concern to me. My issue is you asserting that your anecdotal evidence is enough to claim that flipping jar lids assists with air filtration.



Quote:

makaveli8x8 said:
again how does drilling holes and buying tape make more sense or more optimal than just flipping a lid?



I didn't say it was more optimal than your method. I meant that micropore tape is optimal among surigical tapes, for myco cultivation purposes.



Quote:

makaveli8x8 said:
(it works and well, prove tape is better)



The burden of proof is on you.



Quote:

makaveli8x8 said:
prove tape provides filtration



"According to IUPAC notation (see J. Rouquerol et al., Pure & Appl. Chem, 66 (1994) 1739-1758), microporous materials have pore diameters of less than 2 nm, mesoporous materials have pore diameters between 2 nm and 50 nm and macroporous materials have pore diameters of greater than 50 nm."

"Microporous materials are often used in laboratory environments to facilitate contaminant-free exchange of gasses. Molds spores, bacteria, and other airborne contaminants will become trapped, while allowing gasses to pass through the material. This allows for a sterile environment in the contained area."
http://en.wikipedia.org/wiki/Micropore


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InvisibleCureCat
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Re: Duropore Tape [Re: Psychoslut]
    #7186027 - 07/16/07 11:52 PM (17 years, 6 months ago)

Psychoslut - We are discussing filtration for substrates other than PF style.


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