Additives & Water Care

ATI ICP Element Alkalinity is a high-purity, high-concentration solution designed to restore and maintain alkalinity levels in reef aquariums. Why It’s Important Alkalinity is essential for skeleton...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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,...

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,...

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...

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...