I use to have 4 tanks, one 120 gallon, one 54 gallon corner bow front, one 29 gallon, and one 20 gallon. I use Marineland Bio-Wheel filters. Now that I moved, I have only the 54 gallon :(
Keep up with water changes and DON'T OVER-FEED. I only feed once a day. Don't use cheap filters.
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