Instant Ocean Reef Crystals Reef Salt Mix 50g

Enriched formulation. Optimum effectiveness. Formulated specially for use in reef aquariums, Reef Crystals contains essential ocean reef elements in concentrations greater than those found in natural sea water. Contains extra calcium to ensure stony coral and coralline algae growth, extra trace elements to provide vital nutrients and extra vitamins to support vigorous growth and survival of corals, anemones and other invertebrates in a captive environment.
Neutralizes trace heavy metals often found in tap water.
Mixes 50 gallons at a specific gravity of approximately 1.021