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Cardboard spawn consistently getting contaminated

 
dan long
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I am pretty consistently failing with cardboard spawn. I've been trying to clone king oyster and straw paddy by chopping up the stems and making cardboard burritos, but the cardboard gets slimy after a few days and within 2 weeks has green mold. Anybody have some troubleshooting advice?
 
Joseph Lofthouse
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Location: Cache Valley, zone 4b, Irrigated, 9" rain in badlands.
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Perhaps use 0.3% hydrogen peroxide to soak the cardboard.

 
John Saltveit
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Great idea Joseph. I had problems with stem butt/cardboard contamination too.
John S
PDX OR
 
2017 Permaculture Design Course at Wheaton Labs
http://richsoil.com/pdc
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