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Kalkwasser

Kalkwasser

German for "limewater," it is a concentrated solution of calcium hydroxide in water with a high pH of 12.00+ used to supplement calcium and maintain high pH levels in aquariums.  Kalkwasser is calcium hydroxide dissolved in water so it is very straightforward to use.

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  • On Sale 15%
    Pharma Kalkwasser (Calcium Hydroxide) 4 lbs - Bulk Reef Supply
    On Sale 15%

    Pharma Kalkwasser (Calcium Hydroxide) 4 lbs - Bulk Reef Supply

    Bulk Reef Supply
    $33.99
    $28.89
    Ultra-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...
  • On Sale 15%
    Pharma Kalkwasser (Calcium Hydroxide) 2 lbs - Bulk Reef Supply
    On Sale 15%

    Pharma Kalkwasser (Calcium Hydroxide) 2 lbs - Bulk Reef Supply

    Bulk Reef Supply
    $19.99
    $16.99
    Ultra-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...
  • Reef Kalkwasser Powder (500 gm - 1.1 lbs) - Seachem

    Reef Kalkwasser Powder (500 gm - 1.1 lbs) - Seachem

    Seachem
    $15.62
    Reef 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...
  • Reef Kalkwasser Powder (1 kg - 2.2 lbs) - Seachem

    Reef Kalkwasser Powder (1 kg - 2.2 lbs) - Seachem

    Seachem
    $28.09
    Reef 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...
  • Reef Kalkwasser Powder (250 gm - 0.5 lbs) - Seachem

    Reef Kalkwasser Powder (250 gm - 0.5 lbs) - Seachem

    Seachem
    $12.45
    Reef 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...
  • Kalkwasser Additive (500g) - Fauna Marin

    Kalkwasser Additive (500g) - Fauna Marin

    Fauna Marin
    $23.09
    A 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...
  • On Sale 15%
    Bulk Pharma Kalkwasser (38 Pounds) - Bulk Reef Supply
    On Sale 15%

    Bulk Pharma Kalkwasser (38 Pounds) - Bulk Reef Supply

    Bulk Reef Supply
    $269.99
    $229.49
    Ultra-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...
  • Kalkwasser Additive (2.75kg) - Fauna Marin

    Kalkwasser Additive (2.75kg) - Fauna Marin

    Fauna Marin
    $103.94
    A 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...
  • Kalkwasser Additive (1000g) - Fauna Marin

    Kalkwasser Additive (1000g) - Fauna Marin

    Fauna Marin
    $43.88
    A 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...
  • KalkMedia Calcium Reactor Media (5 kg) - Aquaforest

    KalkMedia Calcium Reactor Media (5 kg) - Aquaforest

    Aquaforest
    $34.99
    Premium 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...