Seachem Reef Kalwasser 1kg Chillers Fluval U3 Poly/Carbon Cartridge -

Fluval U3 Poly/Carbon Cartridge - 2 Pack (A491)

Extensive Mounting Options

This kit also includes a complete

XR15 G6 BLUE

Suitable with large cichlids

Seachem Reef Kalwasser 1kg Chillers Fluval U3 Poly/Carbon Cartridge -Description Reef Kalkwasser is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawater levels. Kalkwasser solutions maintain calcium directly and carbonate alkalinity indirectly. However, its capacity to perform these functions is dependent on evaporation rate and CO2 concentration. While Reef