Vermitid snails aren't spongy. Sponges are spongy though. Any tool can remove them, pliers, those picks that you use to get walnuts out of their shells, finger nails. Sponges and vermitid snails aren't bad in general (unless the vermtid snails send their webs on coral and the corals get...
Ah sorry, I was talking in general, because spiral coral have larger polyps which means larger food prey, which means easier to feed, which means easier to keep (from what I have read).
Try and take pictures of everything you want ID'd it helps alot. Also this has been a good source to help me ID stuff http://www.chucksaddiction.com/hitchhikers.html
Sorry about your losses :(
Making a screen for the top of the tank is really easy. I am not a very good DIY'er and I put mine together in about 15 minutes.
My friend has this fuzz ball in his tank. From looking around I see a few pellets that weren't eaten so I am leaning towards a fungus. Anyone else have any other ideas?
I'll post a picture in the next post so there isn't a link :)