In 7 gallons? Nahdavid1978 said:I think 2-3 male platy would work better as far as waiste producers.
My problem with goldfish is they eat them so much. I have a goldfish tank but they ate all the leaves off the alluminium.david1978 said:Bettas and shrimp don't have a real big bio load but then again not much that's appropriate for that size tank does. Usually its done on a larger tank with fish like goldfish.