Jan 24, 2014 #1 twiddlemuffin Aquarium Advice FINatic Joined Jul 12, 2012 Messages 716 Also the tank is 20g, I read that shells raise PH a lot. Is this okay ?
Jan 24, 2014 #2 Mebbid Aquarium Advice Addict Joined Mar 1, 2013 Messages 12,626 Location Michigan USA It should be fine but it will eventually dissolve
Jan 24, 2014 #3 OP OP twiddlemuffin Aquarium Advice FINatic Joined Jul 12, 2012 Messages 716 Mebbid said: It should be fine but it will eventually dissolve Click to expand... Thank you