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Complete source of the elements and molecules that are directly used by coralline algae, as well as corals, clams, and other reef-building invertebrates. Provides calcium, strontium, magnesium, and potassium in approximately the same ratios in which they occur in aragonite. Very strong source of carbonates (derived from aragonite), the other important group of ions involved in aragonite formation. Increases alkalinity to help stabilize pH. May be used as an inexpensive alternative to automated calcium reactor systems with similar results. Free of phosphate, silicate, and organic material. Made in the USA.
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🇺🇸 Ship from USA · On Agora since 2025
$17.29