RowaLith W Calcite Media 9-15mm (6kg)

Rowalith W is a complete calcium reactor media which composed of natural aragonite with a high concentration of calcium, carbonate, magnesium, strontium, potassium and other essential trace elements. This is the perfect media necessary for the growth of stony corals, such as SPS and LPS.

Large media of 9-15mm grain size ideal for calcium reactors. The large grain size it will resist tracking of water through the media, often experienced when running small grain sizes in larger non fluidized reactors. Rowalith W is mined from ancient coral beds and provides the correct levels of Magnesium for your hard corals.