[Strong Absorbing& Strong Water Permeability] Excellent water flow and distribution through block leads to effective ammonia and nitrate removal from aquariums. Aquarium media block effectively absorbs fish waste and debris, providing crystal clear water for fish.

[Crystal Clear Water] Dissolve elements and minerals necessary for aquatic organisms such as potassium, sodium, calcium, magnesium Ect.

[Multifunctional Filtration] Anti-corrosion and Durable. Won’t crumble, disintegrate or turn to mush like other ceramic filter media. This aquarium filter media serves mechanical filtration to catch fine particles and biological filtration for raising good stuff.

[Wide Application] Great for used in freshwater aquariums, planted aquariums, sumps and ponds.