nano55 AC Members May 14, 2007 329 0 0 Oct 31, 2009 #11 That sounds like the type of sponges that I use in my tank. I just make sure before I use them for the first time, that I rinse them out really well before I put them in my tank. I have never had any problems.
That sounds like the type of sponges that I use in my tank. I just make sure before I use them for the first time, that I rinse them out really well before I put them in my tank. I have never had any problems.
