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Kalk+2 Kalkwasser Supplement w/Trace (450 gm - 1 lb) - Brightwell
Brightwell Aquatics$25.72Overview • Contains calcium, strontium, and magnesium in the same ionic ratios found in aragonite. This unique feature increases the usefulness of Kalk+2 to reef-building invertebrates such as corals, clams, calcareous algae, etc... -
Kalkwasser Powder Calcium Hydroxide (3.5 lbs) - ESV
ESV$29.99Maintain a thriving reef ecosystem with the purity of ESV Kalkwasser. A cornerstone of marine aquarium care for decades, Calcium Hydroxide is a proven, economical method for maintaining both calcium concentrations and alkalinity in closed marine systems... -
Pharma Kalkwasser (Calcium Hydroxide) 4 lbs - Bulk Reef Supply
Bulk Reef Supply$33.99Ultra-pure Kalkwasser for Reef Tanks! BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the... -
Pharma Kalkwasser (Calcium Hydroxide) 2 lbs - Bulk Reef Supply
Bulk Reef Supply$19.99Ultra-pure Kalkwasser for Reef Tanks! BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the... -
Kalk+2 Kalkwasser Supplement w/Trace (225 gm - 1/2 lb) - Brightwell
Brightwell Aquatics$18.69Overview • Contains calcium, strontium, and magnesium in the same ionic ratios found in aragonite. This unique feature increases the usefulness of Kalk+2 to reef-building invertebrates such as corals, clams, calcareous algae, etc... -
Kalkwasser Dry Powder Mix (500 gm - 1.1 lbs) - Two Little Fishies
Two Little Fishies$18.00Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for corals, clams, and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH,... -
Reef Kalkwasser Powder (500 gm - 1.1 lbs) - Seachem
Seachem$15.62Reef Kalkwasser™ is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawater levels... -
Reef Kalkwasser Powder (1 kg - 2.2 lbs) - Seachem
Seachem$28.09Reef Kalkwasser™ is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawater levels... -
Kalkwasser Dry Powder Mix (2 kg - 4.4 lbs) - Two Little Fishies
Two Little Fishies$50.19Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calcium and maintaining alkalinity, for corals, clams, and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH,... -
Reef Kalkwasser Powder (250 gm - 0.5 lbs) - Seachem
Seachem$12.45Reef Kalkwasser™ is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawater levels... -
On Sale 22%
On Sale 22%Kalkwasser Additive (500g) - Fauna Marin
Fauna Marin$23.09$18.01A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining calcium and alkalinity levels in a reef aquarium. It removes the need to use multiple supplements, helping to keep water... -
Bulk Pharma Kalkwasser (38 Pounds) - Bulk Reef Supply
Bulk Reef Supply$269.99Ultra-pure Kalkwasser for Reef Tanks! BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the... -
On Sale 22%
On Sale 22%Kalkwasser Additive (2.75kg) - Fauna Marin
Fauna Marin$103.94$81.07A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining calcium and alkalinity levels in a reef aquarium. It removes the need to use multiple supplements, helping to keep water... -
On Sale 22%
On Sale 22%Kalkwasser Additive (1000g) - Fauna Marin
Fauna Marin$43.88$34.23A Convenient Way to Maintain and Stabilize Calcium and pH Levels Fauna Marin Kalkwasser is an easy-to-use solution for maintaining calcium and alkalinity levels in a reef aquarium. It removes the need to use multiple supplements, helping to keep water... -
Granular Activated Clean Carbon 5 Gallon Bucket (20 lbs) - ESV
ESV$169.99Achieve crystal-clear water and a healthier aquatic environment with ESV Granular Activated Carbon (GAC). Recognized by professional reef keepers as one of the highest-quality chemical filtration media available, ESV GAC is specifically engineered to... -
Granular Activated Clean Carbon (3.5 lbs, 1600 grams) - ESV
ESV$39.99Achieve crystal-clear water and a healthier aquatic environment with ESV Granular Activated Carbon (GAC). Recognized by professional reef keepers as one of the highest-quality chemical filtration media available, ESV GAC is specifically engineered to... -
Granular Activated Clean Carbon (15 oz. 425 grams) - ESV
ESV$16.99Achieve crystal-clear water and a healthier aquatic environment with ESV Granular Activated Carbon (GAC). Recognized by professional reef keepers as one of the highest-quality chemical filtration media available, ESV GAC is specifically engineered to... -
Kalkwasser Powder Calcium Hydroxide 5 Gallon Bucket (22 lbs, 10 kg) - ESV
ESV$149.99Maintain a thriving reef ecosystem with the purity of ESV Kalkwasser. A cornerstone of marine aquarium care for decades, Calcium Hydroxide is a proven, economical method for maintaining both calcium concentrations and alkalinity in closed marine systems... -
Kalkwasser Powder Calcium Hydroxide (14 oz, 400 grams) - ESV
ESV$14.99Maintain a thriving reef ecosystem with the purity of ESV Kalkwasser. A cornerstone of marine aquarium care for decades, Calcium Hydroxide is a proven, economical method for maintaining both calcium concentrations and alkalinity in closed marine systems... -
KalkMedia Calcium Reactor Media (5 kg) - Aquaforest
Aquaforest$34.99Premium Calcium Reactor Media for a Stable Reef 5-12 mm Granules Prevent Clogging Helps Maintain Calcium, Alkalinity Includes Beneficial Trace Elements Long-Lasting and Compatible with All Calcium Reactors KalkMedia is a premium-quality...