Reduces aquarium waste build up by cleaning gravel, power filters, decorations and interior surfaces, keeping your tank maintenance free for longer Formulated to quickly reduce organic waste caused by overfeeding, fish waste and decaying plants, making your aquarium a healthier environment for your fish Especially beneficial for goldfish, cichlids and heavy populated aquariums with a greater amount of waste The water cleaner helps to maintain a balanced aquarium by reducing sludge and debris, improving water quality Works alongside your filtration system to boost natural waste-processing bacteria, reducing the need to deep clean the aquarium as frequently