Seachem Seagel 4L (SC06903) 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 Reactor Lg 4L (SC1542) 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 1-3...

Seachem Reef Plus 4L (SC53907) Reef Plus™ is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef Plus™ is...

Seachem Reef Iodide 2L (SC558) 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™ is...

Seachem Reef Complete 4L (SC339) Liquid ionic calcium source Most concentrated calcium supplement on the market (160,000 mg/L) 100% soluble. Be wary of products that are milky white or need to be shaken Reef Complete® is a concentrated (160,000...

Seachem Reef Status: Strontium (SC922) 50 titration tests for strontium Only 10 minutes per test! Precise results in 0.5 mg/L increments Easy test validation with included reference Strontium occurs in natural seawater at a concentration of about 8 to...

Seachem Reef Trace 2L (SC738) 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 Carbonate 2L (SC668) 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 salts...

Seachem Reef Calcium 4L (SC35903) 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...

Seachem Reef Builder 4kg (SC36900) 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 Status Calcium (SC92005) 150 titration tests for calcium Rapid & simple 3 step procedure Sharpest color change endpoint Precise results in 5 mg/L increments Easy test validation with included reference Natural sea water contains...

Seachem Reef Zooplankton 2L (SC1518) 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 designed...

Seachem Reef Strontium 4L (SC379) Strontium occurs in natural seawater at a concentration of about 8 to 10 mg/L. It is chemically very similar to calcium, and many organisms incorporate it in their skeletons along with calcium. Its addition to reef...

Seachem Reef Phyto Plankton 2L (SC1508) Seachem 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 Seagel 500ml (SC06309) 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 Strontium 100ml (SC375) Restores and maintains strontium to levels found in natural seawater Strontium gluconate Concentrated (10,000 mg/L) Strontium occurs in natural seawater at a concentration of about 8 to 10 mg/L. It is chemically...

Seachem Reef Buffer 4kg (SC67904) 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 Strontium 300g (SC65603) 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...

Seachem Reef Advantage Strontium 600g (SC653) 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 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...