I used to do that with my frogs, but seeing as theyre nocturnal they like to hunt well into the night so now i leave them in with them. Never had any problems with biting but i will watch out for any, thanks.
As for wood, i bake mine at 350 C in the oven until it starts to smell as if its burning, you'll be able to tell when it smells funny but isnt actually burnt. Then while still hot i spray is well with reptile safe disinfectant and leaveit to cool and dry. I then respray it again a few minutes before i pt in it the tank.
I dont like bleach as you never know if its all gone and its toxic, howver i have also been recommended to use baby steralising fluid, like for their bottoles etc