YEE 3 in 1 Activated Carbon Infused Blue Bio Chemical Sponge Filter Pad Media (50Cm*11Cm*2Cm) for Aquarium Top Filter | Easy Cut to Fit | Crystal Clear Water | Reusable Sponge

Excellent water permeability, filter cotton can absorb impurities in water, alleviate water lowing, and play the role of water purification. Stable water quality, removing chlorine, reducing the ct of ammonia nitrogen, and nitrite can balance the pH value of water.  It has the best effect on decomposing the excrement and the forage leftover, remove the odor, bamboo charcoal can effectively absorb the odor, alleviate the odor of water, and use it well so that your fishbowl is fresher. Scope of application: seawater tank, aquatic tank, freshwater fish tank. Can be cut any size as your needed.