Crested gecko bioactive vivarium

[wnateg]

Hi, in the next few month Im gonna star building my crested geckos bioactive enclosure.i have a couple of question to ask you guys:
-Im gonna make a custom 3d background with spray foam sylicone and all that stuff, i was wandering what if the gecko poops on the background or on the cork how am i gonna clean and disinfect the area because i dont thin that springtails and isopods are gonna climb up to clean that mess
-same question but for cleaning plants leaf
-is it ok to spray the enclosure with distilled water so i wont have those limestone spot on the glass or the gecko need to drink minerali water with all the suff in it?
-my house dont get too cold during the year, of i pace a 30w led light a ove the enclosure will it provider the heat necessary for my gecko?
Tnks

Spot cleaning is still required (or recommended) with a bioactive terrarium.

If you're misting, use distilled water, so it doesnt clog up the equipment over time.

I don't think crested geckos need external heat, beyond room temperature.