Large media of 9-15mm grain size ideal for larger calcium reactors, due to the large grain size it will resist tracking of water through the media often experienced when running small grain sizes in larger non fluidised reactors. Rowalith W is mined from ancient coral beds and provides the correct levels of Magnesium for your hard corals.
Rowalith W 12-16mm
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Frozen food or refrigerated items orders must use Next Working Day shipping optionRowalith W 12-16mm
Specification
Around 800gr of media equates to 1/2 litre in Volume.
Note: Replaces Rowalith C
