Filter insert With activated carbon for JBL internal filters of the CristalProfi i range.
• Clean and healthyWater: activated carbon insert preventsWater discolouration and odours, removes medication residues.
• To use: simply position the filter cartridge in the filter container instead of the filter sponge.
•Water-neutral, high-quality activated carbonWhich does not release phosphate into your aquariumWater.
• Renew after about 2-3Weeks or immediately after the problem has been solved. Does not release bound problem substances back into the aquariumWater.