Biologically breaks down algae-promoting nitrates.
Special foam cartridge enriched with bacteria nutrient so that bacteria use nitrate as a source of oxygen.
Renew after approx. 6 months.
Phosphate-free high-capacity active carbon.
Renew active carbon after 3 weeks.
Removes medication residue and discolouration.
1 x high-capacity active carbon pad ready to use in...
Special filter material against green water
Ready-to-use cartridge for the JBL ProCristal i30 internal filter.
Green water is caused by floating algae. The cartridge withdraws the nutrients...
For natural tropical water without algae problems.
Prevents an increase in pH in a natural way.
Slightly reduces water hardness (KH).
Filters out components of light that promote algae.
25 ppi (pores per inch) foam for optimum life.
100% neutral in water, plastic releases no harmful substances into the water.
Round cross-section with T-profile for JBL CristalProfi i40 and JBL...