Seachem Reef Advantage Magnesium 300g (SC63609) 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...

Seachem Reef Zooplankton 500ml (SC1513) 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 Plus 2L (SC538) 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 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 Reef Complete 250ml (SC33602)   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...

Seachem Reef Status Magnesium, Carbonate & Borate (SC92401) 75 titration tests each for borate, carbonate & magnesium. It is designed specifically for seawater. The test is based on titration of magnesium with EDTA in the presence of a...

Seachem Reef Advantage Magnesium 600g (SC63302) 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...

Seachem Reef Phytoplankton 500ml (SC1503) 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 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 Complete 2L (SC338) 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 Trace 250ml (SC73608) 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...

Seachem Reef Plus 500ml (SC53303) 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...

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 Kalkwasser 1kg (SC39802) 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...

Seachem Reef Kalkwasser 500g (SC39703) 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...

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 Reef Advantage Magnesium 2.2kg (SC638) 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 Plus 250ml (SC53600) 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...

Seachem Coral Plugs Large (SC1507) New, larger base design Secure base for freshly cut corals and polyps Contain calcium and magnesium sources for rapid growth Unique shape aids overgrowth of encrusting coral or polyps Seachem’s Coral Plugs are...