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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%
    Kalkwasser Powder Calcium Hydroxide (3.5 lbs) - ESV
    On Sale 15%

    Kalkwasser Powder Calcium Hydroxide (3.5 lbs) - ESV

    ESV

    $27.99
    $23.79
    Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawater levels. Kalkwasser solutions maintain calcium directly and carbonate alkalinity indirectly. However, its capacity to...
  • On Sale 15%
    Kalk+2 Kalkwasser Supplement w/Trace (450 gm - 1 lb) - Brightwell
    On Sale 15%

    Kalk+2 Kalkwasser Supplement w/Trace (450 gm - 1 lb) - Brightwell

    Brightwell Aquatics

    $19.99
    $16.99
    Overview  • 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...
  • On Sale 15%
    Kalk+2 Kalkwasser Supplement w/Trace (225 gm - 1/2 lb) - Brightwell
    On Sale 15%

    Kalk+2 Kalkwasser Supplement w/Trace (225 gm - 1/2 lb) - Brightwell

    Brightwell Aquatics

    $10.99
    $9.34
    Overview  • 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...
  • On Sale 15%
    Kalkwasser Dry Powder Mix (500 gm - 1.1 lbs) - Two Little Fishies
    On Sale 15%

    Kalkwasser Dry Powder Mix (500 gm - 1.1 lbs) - Two Little Fishies

    Two Little Fishies

    $15.26
    $12.97
    Calcium 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,...
  • On Sale 15%
    Reef Kalkwasser Powder (1 kg - 2.2 lbs) - Seachem
    On Sale 15%

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

    Seachem

    $28.09
    $23.88
    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 concentrations at natural seawater levels...
  • On Sale 15%
    Reef Kalkwasser Powder (500 gm - 1.1 lbs) - Seachem
    On Sale 15%

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

    Seachem

    $15.62
    $13.28
    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 concentrations at natural seawater levels...
  • On Sale 15%
    Kalkwasser Dry Powder Mix (2 kg - 4.4 lbs) - Two Little Fishies
    On Sale 15%

    Kalkwasser Dry Powder Mix (2 kg - 4.4 lbs) - Two Little Fishies

    Two Little Fishies

    $42.58
    $36.19
    Calcium 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,...
  • On Sale 15%
    Reef Kalkwasser Powder (250 gm - 0.5 lbs) - Seachem
    On Sale 15%

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

    Seachem

    $12.45
    $10.58
    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 concentrations at natural seawater levels...