| Wave Coral Gravels 10 KG Bags Four different grades of pure and clean coral gravels. From Fine to Jumbo for Calium Reactors.
STM has been using this media for the last 2 years.
Fine 1 - 2 mm Medium 3 - 5 mm Large 6 - 8 mm Jumbo 12 - 30 mm
We really like this media and have tested the Jumbo in a large reactor in store. It has very good flow qualities in a calcium reactor with no tracking possible. Best results have been achieved at 6.7 p.H and has provided a steady 450 ppm of calcium to our main system.
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