API Goldfish Natural Aquarium Cleaner, 4-Ounce
Simplifies the chore of maintaining goldfish by helping to clean a dirty goldfish aquarium or bowl naturally. Helps keep gravel clean and removes organic sludge. Works naturally to break down solid fish waste. Helps reduce toxic ammonia and nitrite by boosting the effectiveness of the biological filter in established aquariums. Use weekly, with a water change, for a clean and healthy environment.