What kind of fish can help keep a fish pond clean

Question

What kind of fish can help keep a fish pond clean

Answer 1

Janitor fish(but be careful, it might eat fish eggs and kill fish) an algae eater is one, its small and it doesnt grow big like the janitor. its harmless, put many of them like 26 of them.

Answer 2

There are so many algae eating fish. One of them is a janitor fish.(be careful of it, it might eat the fish eggs and kill you fishes. You must buy a small one) There is also an algae eater, a small white with light gray spots. You can also put a water filter too.