Refugium Sand

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    Overview: A blend of high-purity aragonite particulate grades to simulate the natural substrate particle profile of tropical reef lagoons. Multiple particulate grades encourage biochemical reactions (e.g. nitrification and denitrification) within the sediment to facilitate continuous release of…


    …macroalgae, coralline algae, mangroves, marsh grasses, and other desirable marine algae and plants. Particularly suited to systems outfitted with a refugium or mud system. Stronger than most competing products. Composed of purified water and ultra-high purity materials. Formulated by a marine…

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    …to ensure that you will have enough to complete the aquascape you are looking for, any extra rock can always be broken up and placed in your refugium, overflows, and sump for added filtration.   Shipping: BRS makes every effort to securely pack the Rock. However, the UPS automation is not always…

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