JBL GreenStop for ProCristal i30
Special filter material to combat green water
•Suitable for JBL ProCristal i30 internal filter: ready-to-use cartridge combats green water in aquariums
•Easy installation: open the upper cap, insert the cartridge into the container, reattach the cap
•Filter material to combat algae: cartridge with dedicated filter material withdraws the algae nutrient from the water
•Monthly replacement of the filter material
•Package contents: special filter material to combat green water, GreenStop ProCristal i30