JBL ProCristal i30 GreenStop

Description

JBL GreenStop for the JBL internal filter ProCristal i30 contains ready-to-use filter cartridges with special filter medium for removing of pollutants from the aquarium water.

1. green water is caused by floating algae. The cartridge withdraws the nutrients from the algae which makes them disappear
2. suitable for JBL ProCristal i30 internal filter
3. needs to be replaced on a monthly basis
4. one cartridge contains 25 ml algae combating filter material
5. available as set with 2 or 6 cartridges