Rhein-Erft Aquaristik Nitrate/Phosphate Resin.
Removing nitrate from fresh water is no longer a problem with Lanxess Lewatitt MP800. The nitrate resin is a special exchanger. It was specially developed to remove nitrate and phosphates in the fresh water sector.
The resin can be used universally in acidic and alkaline water uo to PH 8.0. However its optimal range is 5.8-6.8.