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Reef buffer for convenient aquarium pH maintenanceUse Reef Buffer to safely raise the pH of your reef systemRaises pH and carbonate alkalinity to help simplify reef care Reef Buffer is primarily intended for use in a reef system where the maintenance of a pH of 8.3 is often difficult. When used as directed, Reef Buffer will raise the pH to desired levels. With this easy-to-use formula, there is no fear of accidentally over-correcting the pH to a dangerous level. Reef Buffer, a blended product, also raises carbonate alkalinity. Seachem Reef Builder should be used to raise alkalinity when pH is not a problem. 500 grams treats 4,000 gallons.Please click on "More Information" for directions for use.

Concentrated, powdered strontium for heavily-stocked reef aquariums Raises strontium levels in saltwater aquariums to natural seawater levels Stimulates vigorous coral growth in marine aquariums Reef Advantage Strontium restores marine tank strontium levels to the levels found naturally in seawater. This concentrated, dry saltwater supplement replaces the strontium depleted by filtration and heavy coral stocking. Helps replicate a more natural environment for your saltwater tank inhabitants and maintains optimum water quality. Ionically-balanced, no pre-dissolving necessary. 1 kg bottle treats 8,000 gallons.Please click on More Information for usage directions.

Concentrated formula for magnesium supplementation in marine aquariumsRestore depleted levels of magnesium for optimal aquarium pH and calciumContains no ammonia, a common contaminant in liquid magnesium supplementsSeachem Reef Advantage Magnesium ia a concentrated blend of magnesium, chloride and sulfate salt designed to restore depleted levels of magnesium with minimal impact on the ionic ratios found in natural seawater. Unlike other liquid magnesium supplements, Reef Advantage Magnesium contains no ammonia 600 grams treats 2,500 gallons.Please click on "More Information" for directions for use.

Concentrated formula for magnesium supplementation in marine aquariumsRestore depleted levels of magnesium for optimal aquarium pH and calciumContains no ammonia, a common contaminant in liquid magnesium supplementsSeachem Reef Advantage Magnesium ia a concentrated blend of magnesium, chloride and sulfate salt designed to restore depleted levels of magnesium with minimal impact on the ionic ratios found in natural seawater. Unlike other liquid magnesium supplements, Reef Advantage Magnesium contains no ammonia 600 grams treats 2,500 gallons.Please click on "More Information" for directions for use.

Dry calcium supplement for coral growth in marine reef aquariumsHelps restore and maintain calcium to levels found in natural seawaterRaises calcium levels and also maintains magnesium and strontiumSeachem Reef Advantage Calcium is a buffered (pH 8.3-8.6) optimized blend of calcium, magnesium, strontium, sodium, potassium, and other salts designed for reef aquaria supplementation. Makes an excellent companion to Reef Builder Does not have a caustic pH and won't deplete magnesium or alkalinity. 1 tsp. per 20 gallons raises calcium 25 mg/L. 250 grams treats 2,000 gallons. A dry version of Reef Complete.Please click on "More Information" for directions for use.

Dry calcium supplement for coral growth in marine reef aquariumsHelps restore and maintain calcium to levels found in natural seawaterRaises calcium levels and also maintains magnesium and strontiumSeachem Reef Advantage Calcium is a buffered (pH 8.3-8.6) optimized blend of calcium, magnesium, strontium, sodium, potassium, and other salts designed for reef aquaria supplementation. Makes an excellent companion to Reef Builder Does not have a caustic pH and won't deplete magnesium or alkalinity. 1 tsp. per 20 gallons raises calcium 25 mg/L. 250 grams treats 2,000 gallons. A dry version of Reef Complete.Please click on "More Information" for directions for use.

Professional reef test kit for a successful reef aquariumIncludes tests for nitrate, phosphate, and calcium plus 6 essential reef supplementsKit converts to a test station including everything you needEssential master reef test kit for the proper care of corals, invertebrates, and other reef inhabitants. Contains tests for nitrate, phosphate, and calcium plus 6 reef supplements for reef aquarium success. Converts into a convenient workstation so you can have all of your testing supplies ready to use in one convenient location. This kit contains everything you need including why and when the tests should be performed and recommendations on aquarium maintenance.Includes: Liquid reagent(s), test tube, test tube covers, 25 ml of calcium supplement, 25 ml of strontium supplement, 25 ml of molybdenum supplement, 25 ml of iodine supplement, 25 ml of trace supplement, 25 ml of green supplement for desirable macroalgae growth, color chart, and instructions. Please click on "More Information" for instructions for use and further testing information.

A chemically balanced formula to support the most delicate marine lifeProduces a clear solution that is almost indistinguishable from natural sea water No Nitrates or PhosphatesRed Sea Salt is a single, chemically balanced formula that supports the most delicate marine life. It reaches a stable, natural pH shortly after mixing. Contains no nitrates or phosphates and is the most "natural" artificial sea salt on the market, with at least 87 percent of the raw materials being reclaimed from natural water sources. It can be mixed to any desired salinity and is suitable for marine fish and invertebrates from every sea and ocean. Tests have shown a significant difference in coral growth when using "natural" instead of "chemically pure" salts.Please click on "More Information" for some special characteristics of Coral Reef Red Sea Salt.

Red Sea Reef Success Iodine The trace element iodine plays a very important role in the life cycle of invertebrates especially soft corals and crustaceans as well as fish and seaweeds. Iodine is rapidly depleted from the aquarium water through protein skimming and at a faster rate if ozone is applied. Success Iodine is formulated for weekly use to avoid iodine deficiency in the reef & marine aquarium. When dosed correctly, soft corals will show improved growth and optimal extension. Product Features: · Formulated for weekly use to avoid iodine deficiency in the reef & marine aquarium · Offers improved growth and optimal extension Item Specifications: Size: 14 oz

Red Sea Nitrobac Nitrifying Bacteria A mixture of five strains of nitrifying bacteria that kick-starts the nitrification process within the aquarium, NitroBac reduces cycling time for new aquariums by 60 percent. NitroBac quickly removes ammonia and nitrite while colonizing biological filters. All of the supplements have been formulated for weekly addition to the aquarium. Product Features: · Reduces new aquarium cycling time by 60% · Quickly removes ammonia and nitrites Item Specifications: Size: 100 ml