Seachem Purigen 4L (SC169) Purigen® is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and insoluble...

Seachem Reef Advantage Calcium 4kg (SC31905) Concentrated, powder ionic calcium Maintains magnesium and strontium Can be added directly to aquarium Reef Advantage Calcium™ is a non-caustic (pH 8.3–8.6) optimized blend of ionic calcium...

Seachem Matrix 4L (SC11907) Matrix™ is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix™ is a porous inorganic solid about 10 mm in diameter. Each liter of Matrix™ provides as...

Seachem Malawi/Victoria Buffer 4kg (SC29902) Buffers to pH of 7.8 - 8.4 Raises KH as well pH Will not affect GH Malawi/Victoria Buffer™ is a blend of carbonate salts designed to enhance the natural environment of cichlids by increasing carbonate...

Seachem Hypersorb 4L (SC159) Seachem's HyperSorb™ is a premium synthetic adsorbent with outstanding organic removal capacity and ionic management abilities; it removes organic waste, toxic vapors and other pollutants. It is ideal for all types of...

Seachem Reef Iodide 4L (SC55901) Iodide is an important element required by invertebrates and many soft corals (gorgonians, sarcophytons, etc). Reef Iodide™ is a concentrated (8,000 mg/L) stabilized potassium iodide source for reef aquaria that...

Seachem American Cichlid Salt 4kg (SC1469) Replicates the environment of American Cichlids Contains proper amounts of calcium, magnesium, sodium, and potassium Affects hardness only, not alkalinity or pH American Cichlid Salt™ is a chemically...

Seachem Acid Regulator 4kg (SC07900) Adjusts pH to the acidic range (4.5‑6.8) Softens water by precipitating calcium and magnesium Use with Neutral Regulator® to target a pH Acid Regulator™ adjusts pH to the acidic range (4.5–5.5) and...

Seachem Flourish Potassium 4L (SC46909) Flourish Potassium™ contains 50,000 mg/L of potassium suitable for the natural planted aquarium. Potassium is one of several elements that are vitally important to maintaining a vigorous level of growth in a...

Seachem Reef Zooplankton 4L (SC1519) Reef Zooplankton™ is a concentrated blend of marine zooplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, with biological carotenoids for coral growth. The particle size...

Seachem Reef Carbonate 4L (SC66907) Reef Carbonate™ is a concentrated (4,000 meq/L) optimized blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity in the reef aquarium. Calcium and carbonates are essential to all...

Seachem Reef Advantage Magnesium 4kg (SC63906) Reef Advantage Magnesium™ is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic...

Seachem Reef Phytoplankton 4L (SC1509) Reef Phytoplankton™ is a concentrated blend of green and brown marine phytoplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, with biological carotenoids for invertebrate...

Seachem Pond Matrix 4L (SC11901) Pond Matrix™ is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste in ponds. Plastic bio-materials provide only external surface area, whereas Pond Matrix™...

Seachem Stability 4L (SC12904) Stability® will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome". Stability® is formulated specifically for the...

Seachem Reef Advantage Strontium 4kg (SC65900) 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 Dip 4L (SC61902) Reef Dip™ contains elemental iodine complexed to a protective slime coat for safely and gently disinfecting corals. It is effective against bacteria, fungus, and protozoans. It may be used prophylactically (without...

Seachem Flourish Trace 4L (SC74902) Flourish Trace™ supplies a broad range of trace elements demonstrated to be necessary for proper plant health and growth (see below for signs of deficiencies). Trace elements are normally depleted by utilization,...

Seachem Alkaline Buffer 4kg (SC23900) Adjusts pH to 7.2—8.5 Designed for use in planted aquariums Increases alkalinity Contains no phosphate Alkaline Buffer™ is a non–phosphate buffer to raise pH and alkalinity (KH) and buffer...

Seachem Reef Reactor Md 4L (SC1532) Reef Reactor™ is a high-purity source of aragonite, which supplies all important elements for optimal ionic balance and robust coral growth and coloration in reef aquaria. It has a grain size of approximately 0...