Seachem Reef Calcium 250 mL Filter Resins Use the API NITRATE TEST

Use the API NITRATE TEST KIT to ensure that the nitrate levels in your tank are safe and healthy for your fish

Vitamin C allows for enhanced immune function and collagen production and thereby tissue repair and growth

or bacterial

Maintaining calcium

Seachem Reef Calcium 250 mL Filter Resins Use the API NITRATE TESTLiquid organic calcium source. Maintains calcium and accelerates coral growth. Concentrated (50,000 mg L). Overview: Reef Calcium is a concentrated (50,000 mg L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH. Additionally, polygluconate contains no nitrogen or phosphorous, thus it is biologically impossible for it to lead to algae growth in a properly maintained reef system.