Jul 8, 2010 #1 S Sarah Active member Joined May 11, 2008 Messages 2,241 Reaction score 0 Points 36 I just got some colorful rocks from someone who had a fish before. Is it ok to use them in my fish tank? Or should I be worried about bacteria? And if I can use them, how should I clean them?
I just got some colorful rocks from someone who had a fish before. Is it ok to use them in my fish tank? Or should I be worried about bacteria? And if I can use them, how should I clean them?