We have a 29 gallon fish tank with 3 snails 3 shrimp and 3 catfish. We also have moon fish that I read like to eat algae. We have had the tank a couple of weeks and it looks really clean. I also read I should do a partial water change every two weeks. With all those bottom feeders I was wondering how often I should clean my tank?

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I think cleaning is a personal choice. But water changes are important for a healthy tank . I once had a 55 that I changed 2 gallons each day ( for reasons not related to the aquarium) . It was likely the healthiest tank I ever had; angels spawned in it every few weeks .

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