Seachem Reef Builder 1.2kg (SC36702) Raises carbonate alkalinity (KH) with minimal impact on pH A blend of carbonate sources that will not lower pH as competing bicarbonate only products can Will...

Seachem Reef Plus 100ml (SC535) Contains broad spectrum of vitamins, trace minerals, amino acids and fatty acids vital to fish and coral health Most complete blend of necessary compounds...

Seachem Reef Advantage Strontium 1.2kg (SC657) Restores and maintains strontium to levels found in natural sea water Dry strontium chloride Vitally important in preventing ionic imbalance Strontium...

Seachem Reef Zooplankton 250ml (SC1516) Concentrated blend of marine zooplankton Size ranges from 12.5-500 μm Enhanced to increase the bioavailability of important nutrients Reef Zooplankton™ is a...

Seachem Reef Calcium 100ml (SC355) Liquid organic calcium source Maintains calcium and accelerates coral growth Concentrated (50,000 mg/L) Reef Calcium™ is a concentrated (50,000 mg/L) bioavailable...

Seachem Reef Buffer 1kg (SC677) Raises pH to 8.3 Raises pH and carbonate alkalinity together pK (8.6) allows for greater pH stability in a reef system where the bioload is significantly more than in...

Seachem Reef Advantage Magnesium 1.2kg (SC637) Concentrated, blended, ionically balanced magnesium source Contains NO Ammonia Vitally important in preventing ionic imbalance Reef Advantage...

Seachem Reef Kalkwasser 250g (SC393) Very pure calcium hydroxide Ideal for increasing calcium in top-off water Increases pH with no impact on carbonate alkalinity Reef Kalkwasser™ is a pure calcium...

Seachem Reef Phytoplankton 250ml (SC1506) Concentrated blend of green and brown marine phytoplankton Size ranges from 1-20 μm Enhanced to increase the bioavailability of important nutrients Reef...

Seachem Reef Carbonate 100ml (SC665) Raises carbonate alkalinity (KH) Concentrated (4,000 meq/L) Made with a blend of carbonate and bicarbonate salts Reef Carbonate™ is a concentrated (4,000 meq/L)...

Seachem Reef Advantage Strontium 70g (SC654) Restores and maintains strontium to levels found in natural sea water Dry strontium chloride Vitally important in preventing ionic imbalance Strontium...

Seachem SeaGel 250mL Removes phosphate, silicate, organics, metals, acids, and more 50/50 blend of MatrixCarbon™ and PhosGuard™ More convenient than two separate bags of media

Seachem Reef Trace 500mL Supplies a broad range of trace elements Reef Trace™ may be used alone or in conjunction with Reef Plus™ Reef Trace™ is nitrate/phosphate free

Seachem Reef Trace 100mL Supplies a broad range of trace elements Reef Trace™ may be used alone or in conjunction with Reef Plus™ Reef Trace™ is nitrate/phosphate free

Seachem Reef Reactor MD 2L  High-purity calcium reactor media Provides calcium, magnesium, strontium, potassium, and carbonates .5 - 1 cm grain size

Seachem Reef Iodide 500mL Stabilized potassium iodide source  Safe and easy to use Important for soft tissue growth Iodide is an important ele

Seachem Reef Iodide 250mL Stabilized potassium iodide source  Safe and easy to use Important for soft tissue growth Iodide is an important ele

Seachem Reef Iodide 100mL Stabilized potassium iodide source  Safe and easy to use Important for soft tissue growth Iodide is an important ele

Seachem Reef Fusion 2 500mL Provides 100,000 mg/L of ionic calcium Restores and maintains alkalinity Most concentrated two part system; simple 1:1 ratio

Seachem Reef Fusion 1 500mL Provides 100,000 mg/L of ionic calcium Restores and maintains alkalinity Most concentrated two part system; simple 1:1 ratio