Seachem SeaGel 2L (SC68) Removes phosphate, silicate, organics, metals, acids, and more 50/50 blend of MatrixCarbon™ and PhosGuard™ More convenient than two separate bags of media SeaGel™ is a blend...

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 not deplete calcium, magnesium, or strontium Reef...

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 available Add directly to the aquarium Reef Plus™ is a full...

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 occurs in natural seawater at a concentration of about...

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 concentrated blend of marine zooplankton...

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 polygluconate complexed calcium intended to...

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 a fish only system When used as directed Reef...

Seachem Reef Advantage Magnesium 1.2kg (SC637) Concentrated, blended, ionically balanced magnesium source Contains NO Ammonia Vitally important in preventing ionic imbalance Reef Advantage Magnesium™ is a concentrated (80,000 ppm) optimized blend...

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 hydroxide with unsurpassed purity and solubility...

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 Phytoplankton™ is a concentrated blend of green...

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) optimized blend of carbonate and bicarbonate...

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 occurs in natural seawater at a concentration of about 8...

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 SeaGel™ is a blend...

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 Replenishment of a number of trace elements is required to...

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 Replenishment of a number of trace elements is required to...

Seachem Reef Reactor MD 2L  High-purity calcium reactor media Provides calcium, magnesium, strontium, potassium, and carbonates .5 - 1 cm grain size Reef Reactor™ is a high-purity source of aragonite, which supplies all important elements...

Seachem Reef Iodide 500mL Stabilized potassium iodide source  Safe and easy to use Important for soft tissue growth Iodide is an important element required by invertebrates and many soft corals (gorgonians, sarcophytons, etc). Reef Iodide™...

Seachem Reef Iodide 250mL Stabilized potassium iodide source  Safe and easy to use Important for soft tissue growth Iodide is an important element required by invertebrates and many soft corals (gorgonians, sarcophytons, etc). Reef Iodide™...

Seachem Reef Iodide 100mL Stabilized potassium iodide source  Safe and easy to use Important for soft tissue growth Iodide is an important element required by invertebrates and many soft corals (gorgonians, sarcophytons, etc). Reef Iodide™...

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 Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide...