My beta fish died unfortunately earlier this week of what I'm pretty convinced was Dropsy. :( I'd like to look into getting a new beta some time but I'm worried about how to properly clean the old tank to make sure the disease won't kill any new fish I may add.
I'm going to buy new gravel, a new filter (my old one is on it's last legs), and throw away the live plant. But what about the plastic plants and the log decoration? I've read that you're supposed to use bleach to disinfect a sick tank but isn't the residue left over potentially very harmful to fish...?