Originally Posted by Olympia
I just rinse them. We also cut them (well my dad does with a tile cutter, I wouldn't dare try!) and then I sand the edges with sand paper.
oooh, just the thought of sanding them has my spine chilling
we've got them in four of our tanks, as far as bettas, so far i've only ever seen Vlad and Frodo go in them, but the ADF's and smaller platies in the community tank love them!