For my conditions, it seems that 50/50 hardwood saw dust/wheat bran is performing better than standard masters mix. It's probably a hair too humid for it in my tent, but it's gotta be higher for the oysters that are fruiting now.
(That is a 5lb block of substrate)
It's weird to me that OP is an ambiguous reference at this point. OOP, if I may, was talking about a mushroom in a fucking mushroom community.
Edit: oh I see what you mean. Oh no! OP eats meat!? The horror!? I must post some irrelevant shit nobody asked for