Sep 28, 2013 #1 DolphinMan Aquarium Advice Regular Joined Jan 1, 2013 Messages 94 The ammonia in my fish tank is 0.5. Is that to much?
Sep 28, 2013 #2 2 20cc Aquarium Advice Freak Joined Nov 11, 2012 Messages 271 yes...any amount is bad
Sep 28, 2013 #3 Mebbid Aquarium Advice Addict Joined Mar 1, 2013 Messages 12,626 Location Michigan USA Yep, any time you see an ammonia level over .25 you should be doing a 50% water change.