foam background

Hey, I've decided that I needed another hobby that could potentially end up ruining me financially and emotionally. So I bought myself a terrarium with the intention of constructing a water feature with plants etc. Maybe someday I will add a critter but at this stage the priority is to build a...

Hi. I am planning on making an expanding foam background for the D. Auratus terrarium I am working on. I am also planning on adding a drip waterfall that runs off into a small creek. Any tips on how this can be done? -Liam