AQUARIUMS: how to clean the gravel without a vacum?

I have been rinsing my gravel with warm water, over and over each time because of all the poop and un-eaten food. Am I over-doing it? I have 2 sucker fish (and they poop a lot) and two dwarf-gourami's. Can you tell me exactly how I should clean the gravel because I was told that I may be washing out all the... show more I have been rinsing my gravel with warm water, over and over each time because of all the poop and un-eaten food. Am I over-doing it? I have 2 sucker fish (and they poop a lot) and two dwarf-gourami's. Can you tell me exactly how I should clean the gravel because I was told that I may be washing out all the good bacteria?
8 answers 8