Seachem Reef Complete - 250ml

Brand: Seachem Reef Complete Size: 250ml Liquid ionic calcium source Most concentrated calcium supplement on the market (160,000 mg/L) 100% soluble. Be wary of products that are milky white or need to be shaken Reef Complete is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH. Calcium and carbonates are essential to all coral growth. DIRECTIONS: Beginner Use 1 capful (5mL) per 80L (20 US gallons) twice a week. Check calcium every 2 weeks and adjust amount or frequency accordingly. Advanced Check calcium level, then follow addition regimen above until calcium is adjusted to 380-420 mg/L. Each 5 mL/80 L (20 US gallons) will raise calcium by about 10 mg/L. Quantity or frequency can be adjusted, but do not exceed 12.5 mL/80 L (20 US gallons) per day. Thereafter, use as required to maintain calcium.