No, I put down a half inch of peat, mix the seed with peat and spread it on top, then put another half inch over that. So it is about 1/2 to 1\" deep at most.
Here is a clip of a message I sent to a friend who has recently been diagnosed with cancer. There is actual scientific FDA approved studies on turkey tail mushrooms vs tumors.
Anyway, here is some information on turkey tail mushrooms. There are a couple articles here, but there is a TED conference from Paul Stamets and also a Coast to Coast AM radio show where he talks about using these for cancer in more detail.