How To Clean Dirty Bio Balls In 30 Minutes Or Less
It is not the bio-balls in a wet/dry trickle or other type of inert biological filter that go bad. Just like with an undergravel filter, it is the “lack of proper maintenance” that turns them into a nitrate factory. If you periodically rinse them off and keep them clean, nitrate and bio-balls woes should decrease, as long as this is the sole source of the nitrate problem in the aquarium. Cleaning them requires only 30 minutes or less....