Additives & Water Care

Part Two (Calcium Complex) only of the ATI Essentials SPS two-part dosing system. ATI Essentials SPS is a concentrated, ready-to-use two-part dosing system formulated for fast growth, bold coloration, and optimal metabolic function in SPS-dominated reef...

Part One (Alkalinity Complex) only of the ATI Essentials SPS two-part dosing system. ATI Essentials SPS is a concentrated, ready-to-use two-part dosing system formulated for fast growth, bold coloration, and optimal metabolic function in SPS-dominated...

Part Two (Calcium Complex) only of the ATI Essentials Mixed Reef two-part dosing system. ATI Essentials Mixed Reef is a highly concentrated, ready-to-use two-part dosing system designed for vibrant coloration, robust growth, and optimal health in mixed...

Part One (Alkalinity Complex) only of the ATI Essentials Mixed Reef two-part dosing system. ATI Essentials Mixed Reef is a highly concentrated, ready-to-use two-part dosing system designed for vibrant coloration, robust growth, and optimal health in...

ATI Nutrition C delivers a high-quality carbon source that naturally reduces nutrient levels (phosphate PO4, nitrate NO3) and improves the metabolism of corals and microorganisms. Promotes Nutrient Balance Encourages the growth of beneficial bacteria...

ATI Nutrition P delivers a high-quality phosphate and phosphorus source designed to balance phosphate (PO4) and nitrate (NO3) nutrient levels in marine aquariums and improve coral growth. Promotes Nutrient Balance Properly balance carbon, nitrogen, and...

ATI Nutrition N delivers a high-quality nitrogen source designed to balance phosphate (PO4) and nitrate (NO3) nutrient levels in marine aquariums and supply valuable vitamins and amino acids. Promotes Nutrient Balance Properly balance carbon, nitrogen,...

ATI Elements Reference is manufactured in Germany using lab-grade quality chemicals. ATI Elements reference is a liquid supplement containing a natural balance of elements in aquarium water. It is used to calibrate refractometers and hydrometers and to...

ATI Elements Magnesium is manufactured in Germany using lab-grade quality chemicals. Magnesium is one of the most crucial elements in reefkeeping because it helps coral skeletal growth and prevents calcium and alkalinity from combining...

ATI Elements Lithium is manufactured in Germany using lab-grade quality chemicals. Lithium aids in most stony corals’ ability to build their skeletons. Lithium also plays a role in the metabolic process of most corals. Specifications How Much to...

ATI Elements Iron is manufactured in Germany using lab-grade quality chemicals and formulated to mimic natural seawater. The zooxanthellae living inside corals require iron for photosynthesis, producing food for the coral. Iron also aids in corals'...

ATI Elements Chromium is manufactured in Germany using lab-grade quality chemicals and formulated to mimic natural seawater. Chromium plays a vital role in the enzyme function of many coral species, helping corals process the fatty acids needed for...

ATI Elements Calcium is manufactured in Germany using lab-grade quality chemicals and formulated to mimic natural seawater. Fish and corals use calcium to build their skeletons. Calcium is vital for muscle and nerve function, glycogen metabolism, cell...

ATI Elements Barium is manufactured in Germany using lab-grade quality chemicals and formulated to mimic natural seawater. The Zooxanthellae living within coral use Bromine to produce enzymes necessary for photosynthesis. Bromine also plays a role in...