What's the point of casing?

tightpockt

Well-Known Member
I'm about to start a bulk tub for the first time. I'm going to use a horse poo/coco coir mix and coco and vermiculite for casing. My question is. What's the point of the casing? From what I've read once the casing is partially colonized then I start fruiting? Just trying to understand the process better.
 
It serves to signal the mushroom that food is growing scarce, it helps prevent damage to the substrate, it serves as water storage and a residence for beneficial organisms.

It is oftem the first point of contamination. It is unnessecary for a common grower but very important in orchestrating flushes if many sorts of mushrooms.
 
It creates the micro climate necessary for primordia to form. The casing allows a wick effect to occur, and this evaporation and rehydration cycle is what you are looking for. Everyone could benefit from casing no matter if its just pf cakes or tubs.
 
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