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Very strong source of carbonates (derived from aragonite)
Recommended dosage: Add 1 ml of PRO-CORAL A- ELEMENTS per 100 l / 25 gallons US-gal of total aquarium system water volume per day in the circulation flow of the system
Once the rate of magnesium uptake in the aquarium has been determined
test kits considering the specific characteristics of seawater are needed to analyse the water precisely
Seachem Gray Coast 3.5KG 1800 Very strong source of carbonatesNatural calcite for all types of marine, reef, and tropical aquaria Gray Coast Calcite is an all natural calcite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines. Simply rinse before use to remove any residual dust. Unlike competing wet gravels, Gray Coast is sold dry: this bag contains 35% more gravel than a bag of wet gravel of
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