Hittade följande på deras hemsida (RC) Typical formula for a concentration at 38gr/l Reef Crystals Magnesium 1250 mg/l Calcium 450 mg/l Alcalinity 3,75 pH 8,4 Reef Crystals® is the first enriched seawater formulation to contain an extra measure of components important to reef aquaria: calcium, vitamins and trace elements. It also has a special crystal structure that makes it the fastest dissolving salt available. The inclusion of important components at concentrations greater than in natural seawater assures extended availability of substances that are assimilated and depleted especially quickly in thriving reef aquariums. A special additive helps to detoxify excess heavy metals, such as copper, that are often found in domestic water supplies. Every batch is carefully analyzed to guarantee composition, consistency and uniformity. Samma företag säljer tydligen även Instant Ocean ®