Oct 3, 2010 #1 K Kevccoy Aquarium Advice Regular Joined Aug 25, 2010 Messages 95 what size is best for a 75 gallon freshwater tank, and by chance anyone have on they aren't using anymore???
what size is best for a 75 gallon freshwater tank, and by chance anyone have on they aren't using anymore???
Oct 3, 2010 #2 HUKIT Aquarium Advice Addict Joined Dec 15, 2009 Messages 6,932 Location 42.2411°N/88.3161°W For that size tank a 9w would be more than enough. Generally that size uv sterilizer will work with tanks up to 125g.
For that size tank a 9w would be more than enough. Generally that size uv sterilizer will work with tanks up to 125g.