Aquariums gather debris and uneaten food in the gravel. If not properly kept clean this debris will break down and turn to ammonia etc... adding to the bio load on your aquarium. The best way to eliminate this from happening is to use an aquarium vacuum cleaner. A lot of people ask how to gravel vac an aquarium. The answer is to use an aquarium gravel vac when doing your water changes. This little trick will help keep your aquarium happy and healthy.
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