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Calclium Reactor Media suited for all non fluidised reactors, size 9-15mm
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.
Rowa-lith W is a phosphate free natural material mined from ancient coral beds and provides the highest level of calcium , and to maintain carbonate hardness in your reef aquarium tank . Set the reactor to run between 30 – 40 Dkh , measuring the output of the water from the reactor after running it for a few hour.
Weight : 6 kgs