- High-purity powdered calcium.
- Increases the concentration of calcium in marine aquarium water to provide corals and other reef-building invertebrates with one of the most important elements required for growth.
- Stronger and more economical than liquid calcium solutions; created for hobbyists maintaining multiple reef aquaria.
- Formulated by a marine scientist
Calcium supplement for all marine fish and reef aquaria.
Instructions: Dissolve 2 grams (~1/2 teaspoon) of product per 20 US-gallons of aquarium water in 8-fl. oz. of fresh water; add every other day or as needed to maintain the calcium concentration within a range of 412 - 450 ppm. When used in this fashion, 800 g treats up to 8,000 US-gallons (30,283 L).