May 22, 2013 #1 Whitey73 Aquarium Advice Regular Joined Oct 15, 2012 Messages 57 Hard water on inside glass how to get rid of it with out hurting fish?
May 22, 2013 #2 DavidAl Aquarium Advice FINatic Joined Jun 24, 2012 Messages 756 Location SW Florida Can you elaborate, please? I'm not sure what you mean. David
May 23, 2013 #3 spiketooth Aquarium Advice FINatic Joined Jan 30, 2013 Messages 950 Location Okinawa Japan Should not be harmful to your fish. Just scrub it off