Seachem Reef Calcium™ is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH

Seachem 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

Seachem Reef Plus™ is a full spectrum reef supplement containing trace elements, vitamins, & amino acids demonstrated to have a positive impact on the growth of corals & other desirable reef creatures

Seachem Reef Trace™ supplies a broad range of trace elements demonstrated to be necessary for proper reef health and growth, Reef Trace™ is nitrate/phosphate free

Seachem Reef Builder™ raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a tendency to stabilize at pH 8.3. Carbonates and calcium are essential to all coral growth

Seachem Reef Buffer™ is specifically designed to meet the needs and requirements of the closed reef environment, Seachem Reef Buffer™ will also raise carbonate alkalinity