Box of Reef Crystals 10x2kg bags.
Formulated specially for use in reef aquariums,
Reef Crystals contains essential ocean reef elements in concentrations greater than those found in natural sea water:
Extra Calcium to help ensure the growth of large and small polyp stony corals as well as coralline algae
Extra Trace Elements to provide an additional measure of vital nutrients
Extra Vitamins to ensure vigorous growth and survival of corals, anemones and other invertebrates in a captive environment
Metal Detoxifier – to neutralize traces of heavy metal often present in domestic water supplies.