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W.O.W. Sludge Remover & Biological Booster
All-natural bacterial additive keeps your aquarium cleaner and your fish healthier. Contains billions of beneficial heterotrophic bacteria and enzymes that rapidly break down and remove waste, sludge, ammonia and nitrites in the aquarium. Use weekly to improve filter efficiency and reduce the need for gravel vacuuming and other cleaning chores. Aquarium substrate, filter hoses, lift tubes, decorations and other equipment stays cleaner.
