Anyway, dude just follow the tech. But take this advice:
Once the cakes are fully colonized, put em in the terrarium (i use a 10gal fish tank with 1 1/2 inch perlite with 1/2 inch water in the bottom. When you put the perlite in, just make sure the top of it is moist, you dont want to actually see the water.)

Once the cakes are in the terrarium: LEAVE EM ALONE. Dont touch em unnecessarily, if you *have* to, make sure your hands are CLEAN!

Get a good quality sprayer from home depot or walmarts gardening section, and mix 1 part water and 1 part 3% hydrogen peroxide maybe even more water.

We'v found that ariring it once or twice a day and misting the h2o2 solution each time works quite well, and since we've been doing this we've had NO contams, not even cobweb mold. We actually spray directly on the cakes (not to the point of 'wetting' them but enough to kill any contams that may have settled)

I really hope this helps, and I wish you the best of luck, and the best of times on your next entheogen experience! Let us all know how this turns out!

ParanoidFreud
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One day the world will grasp an idea so profound, yet so simple, we will wonder how it could have ever been any other way... -unknown