WDEFUN Aquarium Filter Media, 300 ml 2 Packs with Free Mesh Bag Organic Filtration Resin, Remove Driftwood Tannins Suitable for Freshwater and Saltwater Fish Tank

ENHANCE WATER CLARITY --- This filter media is an organic filtration resin which is developed to remove nitrogenous compounds and waste produced by fish, corals, and even plants, making your water crystal clear.

FOOD GRADE RESIN PROVIDES PURE WATER --- This special filtering material is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and insoluble impurities from water.

ADVANTAGE --- Being both spherical and macroreticular, it has microscopic pores that increase its contactable surface area to many times than most spherical resin. Age Range Description: All Stages. Rinse before use.

REUSABLE --- Color changes from light yellow to dark brown, even black while it adsorbs the waste. Once it is exhausted, it can be regenerated with a solution of bleach and water.

Convenient Usage --- Easy to use 2 Bag each pack 300 ml, simply unpack and it's ready for use. The mesh bag design ensures no leaks, making placement even more convenient.