Instant Ocean Reef Crystals Reef Salt For 160 Gallons, Enriched Formulation For Aquariums

Instant ocean reef crystals are easy-to-use and provide all of the necessary elements required for a healthy coral environment. extra calcium, trace elements and vitamins promote growth and support the health of a variety of corals; including stony corals, coralline algae, anemones and other invertebrates. built-in metal detoxifier goes a step farther to neutralize traces of heavy metals often found in domestic water supplies.Recommended Specific Gravity Range: 1.020-1.026 at 77°F.