Cycling involves the growth of healthy micro-organisms within the tank, which will break down waste and help keep the water safe for fish. this takes a little time, and most experts recommend letting the tank run for at least a week before adding fish. This helps to keep the tank cleaner, and the fish healthier. in simple terms, remember that what goes into a fish must come out, so the more you feed your fish the dirtier the tank will get. live plants can help maintain a how to keep healthy fish tank healthy environment for your fish. Do These Tips On How To Keep Your Fish Healthy Animal Lova Aug 28, 2018 · to keep aquarium fish healthy, we must provide them the right environment, an excellent diet, and a healthy lifestyle. it is easy to achieve if you know what you are doing. first, an excellent environment for the aquarium fish includes both natural environment and social environment. And then there’s the problem of algae. there are a few different ways to treat algae. the most ...