Hello all, Question about glues and paints that can be safely used on in-aquarium objects, especially Styrofoam. Aq safe, silicone of course but what else? I'm planning to work with quite a bit of Styrofoam (glued to slate) and this means gluing flat pieces together and that could get expensive at silicone rates. I'll paint it too. Suggestions about this? Help? Ideas? Paul