What is the white fuzz inside the cultivation bag, and what should I do about it?
— It is mycelium. Rejoice! • But it looks like mold! — Yes, it does. • My straw block has turned white. What are the pink bumps that are forming? — They are primordia. Each bump will try to become a mature fruiting body. Some will abort. • Do they need light? — No, I have grown them successfully in the dark. Light does encourage primordia formation. When growing mushrooms for market days, I increase light and fresh air a few days before so there will be lots of mushrooms on market day. • Will chlorine in my water kill the mushroom? — No, because like all good cultivators, you will leave the water out overnight in an open container to allow the chlorine to evaporate before you spray it on the mushrooms. • Some of my straw blocks have a peculiar problem. They start to fruit, then when the cap is apout the size of a dime, they get covered with dozens of primordia. The blocks have hundreds of pins, and no mature fruit. The other two blocks are fruiting nicely. They are all sitting on