Aug 3, 2013 #1 Samzter Aquarium Advice Addict Joined Jun 7, 2012 Messages 3,625 Location West Sussex Doing a check on my ten gallon (no fish) and this was on the sucky thing for my heater. Any clues what it is? Attachments image-129852756.jpg 127.8 KB · Views: 92
Doing a check on my ten gallon (no fish) and this was on the sucky thing for my heater. Any clues what it is?
Aug 3, 2013 #2 Mebbid Aquarium Advice Addict Joined Mar 1, 2013 Messages 12,626 Location Michigan USA Looks like a bio film. Just a build up of bacteria. You can just wash it off.
Aug 3, 2013 #3 OP OP Samzter Aquarium Advice Addict Joined Jun 7, 2012 Messages 3,625 Location West Sussex Thanks a lot