Crab + Styrofoam island *pictures update* I would like to make a floating island for my crab. I'm thinking of a Styrofoam disc with short silk or plastic plants on top and a few underneath. But... 1) I'm concerned my crab will pick at and eat the Styrofoam. 2) Would it help to coat the Styrofoam in some kind of sealant? 3) If so, what do you recommend I use to seal it? 4) Would it be better to suction cup driftwood to the back instead? :-\ I just think the island would give him more land room. :;thx! Sorry if these are dumb questions. I'm not that handy.