G GTbEaSt Feeder Fish MFK Member Jan 14, 2009 567 0 0 37 FRESNO, CA Apr 17, 2009 #1 I found this big rock that i would like to put in my fish tank..but it has a little bit of concrete on it....could this harm my fish and my water?
I found this big rock that i would like to put in my fish tank..but it has a little bit of concrete on it....could this harm my fish and my water?
