Zeolite & Carbon Mix for Shark ADV

Thanks to its natural ability to absorb, ammonia is quickly trapped, reducing nitrate formation, through its high ion exchange capacity. Removes dyes, chemical residues, algae-causing substances and unpleasant odors. After 15 days of use, beneficial nitrifying bacteria will settle on its surfaces and aid in biological filtration. In order to maintain this process, reserve a small portion of this product for each replacement. Content: 2*50 grams Rinse with warm water before using it. Replace it 30 days.