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Offlineismokeweed
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Registered: 11/19/05
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fanning needed with big polyfil holes?
    #7839082 - 01/06/08 12:27 PM (16 years, 26 days ago)

last time i grew this is how i made my fc. (using dunk and rolled brf cakes)

a smallish tuppaware container with perlite in the bottom. i cut most of the top out, filled it with polyfill and taped the edges of the polyfill. it seemed to work just fine. im scared of contams but im also poor. so i was trying to eliminate fanning without buying other shit.

how does that sound to you? i had alright success but it was my first grow. im sure it could use much improvement.

I guess what I'm really asking is there anything really wrong with that fc. does it absolutely need fanning with a bunch of polyfil holes?


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Invisibletahoe
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Registered: 11/26/03
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Re: fanning needed with big polyfil holes? [Re: ismokeweed]
    #7839166 - 01/06/08 12:50 PM (16 years, 26 days ago)

here is what I do. I drill holes down low and leave them. The polyfill will do nothing but hinder airflow. Leave them open.
it will need fanning with poly fill. Poly fill will almost be air tight, that is why it is used for a contam barrier. Gravity probably will not have enough force to pull the o2 out depending on how thick the polyfill is


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Stop experimenting half way through your first grow. Grow it to maturity, watch it, learn from it. Do this a few times then experiment with different ideas and figure out what works best for you.


My Legacy
https://www.shroomery.org/forums/showflat.php/Number/22140987#22140987

Teh=The
I need to proofread


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OfflineNibin
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Re: fanning needed with big polyfil holes? [Re: tahoe]
    #7839228 - 01/06/08 12:59 PM (16 years, 26 days ago)

Quote:

tahoe said:
here is what I do. I drill holes down low and leave them. The polyfill will do nothing but hinder airflow. Leave them open.
it will need fanning with poly fill. Poly fill will almost be air tight, that is why it is used for a contam barrier. Gravity probably will not have enough force to pull the o2 out depending on how thick the polyfill is




You always write o2 instead of CO2 Tahoe :wink:


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Offlineismokeweed
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Re: fanning needed with big polyfil holes? [Re: Nibin]
    #7839292 - 01/06/08 01:09 PM (16 years, 26 days ago)

ok im a little confused. when you say you drill holes "down low" what do you mean?

like on the sides of the fc near the bottom but above the perlite? im a little bewildered on how to get a cheap terrarium (just perlite humidification in a small container enough to hold 4 1/2 pint brf cakes comfortably)enough fae. I can't find a good medium on good fae without being scared of letting contams in. and also trying to keep it cheap. cheap as hell.


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Invisibletahoe
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Re: fanning needed with big polyfil holes? [Re: Nibin]
    #7839369 - 01/06/08 01:21 PM (16 years, 26 days ago)

Quote:

Nibin said:
Quote:

tahoe said:
here is what I do. I drill holes down low and leave them. The polyfill will do nothing but hinder airflow. Leave them open.
it will need fanning with poly fill. Poly fill will almost be air tight, that is why it is used for a contam barrier. Gravity probably will not have enough force to pull the o2 out depending on how thick the polyfill is




You always write o2 instead of CO2 Tahoe :wink:



can you tell that I do not proofread. Hah!!! Co2


--------------------
Stop experimenting half way through your first grow. Grow it to maturity, watch it, learn from it. Do this a few times then experiment with different ideas and figure out what works best for you.


My Legacy
https://www.shroomery.org/forums/showflat.php/Number/22140987#22140987

Teh=The
I need to proofread


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Invisibletahoe
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Registered: 11/26/03
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Re: fanning needed with big polyfil holes? [Re: tahoe]
    #7839457 - 01/06/08 01:38 PM (16 years, 26 days ago)

anyways, to answer the question sort of. I do not big deal all these fc designs. So many different ones and they all work the same.
back in the day when we were just using big clear tubs for fc's and kitty litter trays inside as our casing we used to hand spray and fan 2-3 times daily. it worked great. The tubs held humidity just fine but we needed to get rid of the o2 whoops i mean co2. So I talked to workman, this is back before sporeworks, and asked him what he thought about a few 1/2 holes drilled low in the big clear tubs for natural fea. WE both agreed that this would be fine. So there it was fc's with a few holes in the sides at the bottom edge of the tub. A lot less co2 and the humidity was fine. If you didn't water for a day you might notice an area the size of a tennis ball that was dry (no water droplets on the clear plastic tub) around the hole. This in no way was bad for the mushrooms and they had plenty of fresh air due to gravity.
Now people are filling these holes with poly fill and tyvek to fight contams. This is not needed. Casings do not contam the same way as substrate and if they are going to contam it is either going to happen when you open the lid or from gnats.
The polyfill and/or tyvek might keep the gnats out but it will also not allow the Co2 to fall out especially if it gets wet which it will from the humidity. As for gnats they WILL find a way in regardless. This is of course if they are present. The polyfill will not prevent this.

Also the slight air current from leaving these holes open will not allow airborne contams to come back in. These contams will have to travel upstream, they are not Salmon.

Moral of the story is that being clean fights contams, have a good strong culture fights contams, not f-ing with it every minute fights contams.

I hope we are on the same page here since I do not know what type of fc you are using.

Hydrocodone is a funny drug. It either allows me to have patience or causes me to give someone an ass chewin! :wink:


--------------------
Stop experimenting half way through your first grow. Grow it to maturity, watch it, learn from it. Do this a few times then experiment with different ideas and figure out what works best for you.


My Legacy
https://www.shroomery.org/forums/showflat.php/Number/22140987#22140987

Teh=The
I need to proofread


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