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Polypropylene Bags Question


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#1 OysterFarmer

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Posted 24 March 2017 - 03:37 PM

Who does everyone use for polypropylene bags these days?  I'd like to go with black this time if possible.  The biggest ones I got on Ebay last time seem too small and they let in too much light.  They would be almost entirely for oyster mushrooms.  Maybe some shitakes and Reishi later but mostly oysters.  Looking for giant rolls not individual bags.

 

I'm using pasteurized sawdust for the fill.


Edited by OysterFarmer, 24 March 2017 - 03:39 PM.


#2 kcmoxtractor

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Posted 24 March 2017 - 08:52 PM

the light causing pinning thing is an outdated way of thinking, it won't pin early

unless your sub was contaminated to begin with. clean spawn, clean sub, clear

bags to ensure clean colonization. get it from

 

www.uline.com


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#3 OysterFarmer

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Posted 25 March 2017 - 02:48 PM

the light causing pinning thing is an outdated way of thinking, it won't pin early

unless your sub was contaminated to begin with. clean spawn, clean sub, clear

bags to ensure clean colonization. get it from

 

www.uline.com

I saw a video of a monastery that grows oyster mushrooms.  I think they work with Trad Cotter.  They use black poly bags and it looked like a nice set up.



#4 OysterFarmer

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Posted 25 March 2017 - 04:02 PM

Biggest I saw on there was 12 inches.  Is that big enough?  All the other bags were preformed sizes.



#5 MLBjammer

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Posted 25 March 2017 - 06:27 PM

Those are kind of small.  The typical mycobags everybody uses are about 8" x 4" x 18." 

 

I have been growing in bags for years, and KC is exactly right.  It doesn't matter if the bag is clear or not.

 

You will likely not have an easy time finding black bags, and something strong enough to withstand either a PC or pasteurization will definitely not be on a roll like trash bags.


Edited by MLBjammer, 25 March 2017 - 06:30 PM.

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#6 OysterFarmer

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Posted 26 March 2017 - 05:10 PM

Those are kind of small.  The typical mycobags everybody uses are about 8" x 4" x 18." 

 

I have been growing in bags for years, and KC is exactly right.  It doesn't matter if the bag is clear or not.

 

You will likely not have an easy time finding black bags, and something strong enough to withstand either a PC or pasteurization will definitely not be on a roll like trash bags.

I don't pasteurize the bags with my method.  I get pretty good yields.  I have been using nursery pots with holes but I'm looking to sell at farmer's markets and the cost of pots is too much to make it viable.



#7 kcmoxtractor

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Posted 27 March 2017 - 09:42 AM

you don't want a column any larger than what the 12 inch bag makes because

the core will become anaerobic. you want 200-400 holes per 8 foot column. 

 

take a 12" piece of 2x4 and drive 4 nails into the wood. now you can make 4 holes

for every stabby motion. i use the same thing to make all the plastic greenhouses

for the grow kits i sell at farmer's markets. 


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#8 Tenderfoot

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Posted 27 March 2017 - 10:02 AM

http://unicornbags.c...d4a3f054acdbecb

 

It says "out of stock", but in small print it says some in stock, first come, first served.  good luck, pal !!


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#9 OysterFarmer

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Posted 28 March 2017 - 03:51 PM

you don't want a column any larger than what the 12 inch bag makes because

the core will become anaerobic. you want 200-400 holes per 8 foot column. 

 

take a 12" piece of 2x4 and drive 4 nails into the wood. now you can make 4 holes

for every stabby motion. i use the same thing to make all the plastic greenhouses

for the grow kits i sell at farmer's markets. 

Yeah I'm familiar with that from Stamets book.

 

What kind of greenhouse do you sell?  I've just been giving people clear trash bags and tell them to mist it and flap the open end daily.



#10 kcmoxtractor

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Posted 28 March 2017 - 04:24 PM

i use these poly bags and poke holes to make the GH. 

 

https://www.uline.co...seted-Poly-Bags


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#11 OysterFarmer

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Posted 01 April 2017 - 03:42 PM

If you sell the whole log at a farmer's market what is the usual going rate?  The ones I have coming up now are a little over a foot long.  Probably eight inches or so thick.






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