Apl Crystal Superclean 90/120 Aquarium Accessory Box of 6

• API CRYSTAL is made up of a unique blend of resins and high porosity activated carbon that makes water crystal clear and eliminates odors from your aquarium water.
• They have the role of hosting bacteria in your aquarium. These bacteria are essential for the transformation of organic pollutants into non-toxic matter. The more bacteria are, the more effective the filtration.
• CRYSTAL 90/120 API for new RENA SuperClean 90/120 filters.

Product Description API CRYSTAL is made of a unique blend of resins and high-porosity activated carbon that makes water crystalline and removes odors from your aquarium water. They have the role of hosting the bacteria present in your aquarium. These bacteria are essential to ensure the transformation of organic pollutants into non-toxic matter. The more bacteria will be, the more effective the filtration will be. API CRYSTAL 90/120 for Rena SuperClean 90/120 New filters. Directions Read on the package leaflet