I am going to buy a "Aqua Clear Power Filter" for my 20gallon fish tank, but what size?
Question: I currently own a weed for Aqua Clear Power Out, but it is too small for my aquarium. I own the "mini/20" for 5-20 gallons, but it is im not running and clean water will be very small because it is too.
Answer: I AquaClear 110 in my tank 55 gallons, but I suspect a little Goldfish. I would get the most energized, if I were you, depending on what type of fish you have. (There is still an adjustment board .....







