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    Drs. Foster and Smith Kalkwasser Calcium Hydroxide 1.75 lbs (1/2 gallon)

    Drs. Foster and Smith Kalkwasser Calcium Hydroxide 1.75 lbs (1/2 gallon)

    Smartly priced bulk supplement for maintaining calcium and alkalinity levels essential for coral health and growth. High-quality DFS Kalkwasser Calcium Hydroxide offers experienced marine reef aquarists a convenient and budget-friendly way to maintain... more

    $9.99 $7.99

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    Drs. Foster and Smith Kalkwasser Calcium Hydroxide 4 lbs (1 gallon)

    Drs. Foster and Smith Kalkwasser Calcium Hydroxide 4 lbs (1 gallon)

    Smartly priced bulk supplement for maintaining calcium and alkalinity levels essential for coral health and growth. High-quality DFS Kalkwasser Calcium Hydroxide offers experienced marine reef aquarists a convenient and budget-friendly way to maintain... more

    $17.99 $14.39

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    Drs. Foster and Smith Kalkwasser Calcium Hydroxide 20 lbs (5 gallons)

    Drs. Foster and Smith Kalkwasser Calcium Hydroxide 20 lbs (5 gallons)

    Smartly priced bulk supplement for maintaining calcium and alkalinity levels essential for coral health and growth. High-quality DFS Kalkwasser Calcium Hydroxide offers experienced marine reef aquarists a convenient and budget-friendly way to maintain... more

    $69.99 $55.99

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    Seachem Reef Kalkwasser 500 Gram 8.8 Oz Maintains Calcium

    Seachem Reef Kalkwasser 500 Gram 8.8 Oz Maintains Calcium

    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. Kalkwasser... more

    $15.99

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    Two Little Fish Phosban Media - 150 Grams

    Two Little Fish Phosban Media - 150 Grams

    PhosBan Julian Sprung's Marine Aquarium Formula 150 grams Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate, and does not release adsorbed substances.... more

    $14.89

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    Seachem Reef Kalkwasser 500gram

    Seachem Reef Kalkwasser 500gram

    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. Kalkwasser... more

    $12.25

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    Seachem Reef Kalkwasser 250gram

    Seachem Reef Kalkwasser 250gram

    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. Kalkwasser... more

    $17.01

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    Reef Kalkwasser, 2 kg / 4.4 lbs

    Reef Kalkwasser, 2 kg / 4.4 lbs

    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. Kalkwasser... more

    $45.98

    FREE shipping

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    Reef Kalkwasser - 2.2 lb.

    Reef Kalkwasser - 2.2 lb.

    Reef Kalkwasser is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. Calcium hydroxide is used to prepare lime water (kalkwasser) solutions that are used in an automated dosing system that replaces evaporated water.... more

    $22.04

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    Kalkwasser - 1 lb.

    Kalkwasser - 1 lb.

    Kalkwasser is the German term for limewater; a saturated solution of calcium hydroxide in water. Administering this solution to marine aquariums replenishes calcium and maintains alkalinity; benefiting corals; clams and calcareous algae that build... more

    $14.99

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    Kalkwasser - 4 lb.

    Kalkwasser - 4 lb.

    Kalkwasser is the German term for limewater; a saturated solution of calcium hydroxide in water. Administering this solution to marine aquariums replenishes calcium and maintains alkalinity; benefiting corals; clams and calcareous algae that build... more

    $37.99

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    Reef Octopus KS100 Nilson Kalk Reactor

    Reef Octopus KS100 Nilson Kalk Reactor

    Gently mixes your calcium hydroxide Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor that effectively, silently and gently mixes your calcium hydroxide (kalkwasser). This method is not only ideal but is also the safest way... more

    $309.99 $249.99

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    Rakuten.com Shopping

    (1,000,000+)
    Reef Kalkwasser, 12 kg / 26.4 lbs

    Reef Kalkwasser, 12 kg / 26.4 lbs

    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. Kalkwasser... more

    $209.82

    FREE shipping

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    Seachem Reef Kalkwasser 1 Kilo

    Seachem Reef Kalkwasser 1 Kilo

    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. Kalkwasser... more

    $28.98

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    Two Little Fishies PhosBan Phosphate Removal Media 454 g

    Two Little Fishies PhosBan Phosphate Removal Media 454 g

    Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate and does not release adsorbed substances. Recommended by Julian Sprung for long-lasting and easy... more

    $59.71 $47.39

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    Rakuten.com Shopping

    (1,000,000+)
    Two Little Fishies Kalkawasser 2kg

    Two Little Fishies Kalkawasser 2kg

    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,... more

    $42.99 $34.07

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    Rakuten.com Shopping

    (1,000,000+)
    Two Little Fishies ATLPB2 Phosban 150gm

    Two Little Fishies ATLPB2 Phosban 150gm

    Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate and does not release adsorbed substances. Recommended by Julian Sprung for long-lasting and easy... more

    $15.89

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    PURA PhosLock Filter Media - 15.9 oz.

    PURA PhosLock Filter Media - 15.9 oz.

    Supreme phosphate control is made simple with the ingenious Pura PhosLock from Magnavore. This handy product is made from ferric hydroxide; which permanently binds phosphates; rendering them completely harmless in your aquarium; and terminating algae... more

    $40.49

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    Two Little Fishies PhosBan Phosphate Absorption Media - 1 lb.

    Two Little Fishies PhosBan Phosphate Absorption Media - 1 lb.

    Julian Sprung's Two Little Fishies PhosBan is a highly porous super absorbent granular filter media made from ferric oxide hydroxide. Designed for use in Phosban Reactors ; but can be used in other reactors and applications. PhosBan binds so much... more

    $50.79

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    PURA PhosLock Filter Media - 2.5 lb.

    PURA PhosLock Filter Media - 2.5 lb.

    Supreme phosphate control is made simple with the ingenious Pura PhosLock from Magnavore. This handy product is made from ferric hydroxide; which permanently binds phosphates; rendering them completely harmless in your aquarium; and terminating algae... more

    $49.99

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    E.S.V. Calcium Hydroxide 14 Oz.

    E.S.V. Calcium Hydroxide 14 Oz.

    Calcium Hydroxide is the proven standard for maintaining calcium concentration and alkalinity in closed marine aquaria. The calcium provided is directly used by calcifying organisms, and the hydroxide ions provided readily convert dissolved CO2 into... more

    $12.49

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    E.S.V. Calcium Hydroxide 3.5 Lbs.

    E.S.V. Calcium Hydroxide 3.5 Lbs.

    Keep your aquarium water at its best by using the E.S.V. Calcium Hydroxide regularly. Calcium Hydroxide from Pet Store, also known as Kalkwasser Powder, effectively maintains the calcium level and alkalinity of the aquarium water in closed reef tanks.... more

    $22.49

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    Seachem Laboratories Reef Kalkwasser - 1 Kilograms

    Seachem Laboratories Reef Kalkwasser - 1 Kilograms

    Seachem Reef Kalkwasser is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. This calcium hydroxide meets or exceeds the purity of competing brands designated for reef use. Calcium hydroxide is used to prepare limewater... more

    $22.99

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    Reef Octopus KS100 Nilson Kalk Reactor

    Reef Octopus KS100 Nilson Kalk Reactor

    Gently mixes your calcium hydroxide Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor that effectively, silently and gently mixes your calcium hydroxide (kalkwasser). This method is not only ideal but is also the safest way... more

    $249.99

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    Continuum Reef Basis Kalkwasser 450 g

    Continuum Reef Basis Kalkwasser 450 g

    Reef-Basis Kalkwasser is a calcium hydroxide supplement, the original German limewater method for providing essential calcium to marine aquariums, that helps boost the growth rate of corals, coraline algae, crustaceans and other organisms. It does not... more

    $13.50

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    PetSolutions

    (25,000+)
    Seachem Reef Kalkwasser 250g

    Seachem Reef Kalkwasser 250g

    Seachem Reef Kalkwasser is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. It will provide supplemental calcium to reef inhabitants, as well as allowing for lush growth of purple, pink and green calcareous algaes.... more

    $10.29

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    PetGuys

    (25,000+)
    Phoslock 454gm Treats 900gal

    Phoslock 454gm Treats 900gal

    "Pura (Magnavore) - PhosLock 454 g. PURA PhosLock is fast acting, long lasting, and very effective in reef, marine, planted, and delicate freshwater aquaria. PhosLock is the third generation ferric oxide hydroxide specifically modified for use in... more

    $29.00

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    Two Little Fishies Kalkawasser 500g

    Two Little Fishies Kalkawasser 500g

    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,... more

    $12.21

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    Pura (Magnavore) APU00401 Phoslock Aquarium Filter Media for 900-Gallon Tank 454gm

    Pura (Magnavore) APU00401 Phoslock Aquarium Filter Media for 900-Gallon Tank 454gm

    PURA PhosLock is fast acting. long lasting. and very effective in reef. marine. planted. and delicate freshwater aquaria. PhosLock is the third generation ferric oxide hydroxide specifically modified for use in aquarium applications. PhosLock is stable... more

    $25.30

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    "Reef Kalkwasser, Size: 250 GRAM, UPC# 000116039307, Mfg# 393, Free Shipping"

    "Reef Kalkwasser, Size: 250 GRAM, UPC# 000116039307, Mfg# 393, Free Shipping"

    "Reef Kalkwasser Size: 250 GRAM Miscellaneous AquariamPure calcium hydroxide with unsurpassed purity and solubility characteristics.Used to prepare limewater kalkwasser solutions that will maintain calcium concentrations at natural seawater levels.All... more

    $20.47

    FREE shipping

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    Pura (Magnavore) APU00400 Phoslock Aquarium Filter Media for 300-Gallon Tank 150gm

    Pura (Magnavore) APU00400 Phoslock Aquarium Filter Media for 300-Gallon Tank 150gm

    PURA PhosLock is fast acting. long lasting. and very effective in reef. marine. planted. and delicate freshwater aquaria. PhosLock is the third generation ferric oxide hydroxide specifically modified for use in aquarium applications. PhosLock is stable... more

    $10.28

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    Two Little Fishies Phosban Phosphate Removal Media 150 g

    Two Little Fishies Phosban Phosphate Removal Media 150 g

    PhosBanJulian Sprung's Marine Aquarium FormulaSynthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate, and does not release adsorbed substances. Recommended... more

    $18.12

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    Continuum Reef Basis Kalkwasser 100 grams

    Continuum Reef Basis Kalkwasser 100 grams

    Reef-Basis Kalkwasser is a calcium hydroxide supplement, the original German limewater method for providing essential calcium to marine aquariums, that helps boost the growth rate of corals, coraline algae, crustaceans and other organisms. It does not... more

    $6.70 $3.79

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    PetSolutions

    (25,000+)
    Tunze USA 5074.000 Calcium Dispenser for Use with 3155 Osmolator

    Tunze USA 5074.000 Calcium Dispenser for Use with 3155 Osmolator

    Tunze USA 5074.000 Calcium Dispenser for Use with 3155 Osmolator The addition of lime water is another method to increase the calcium in marine aquariums. The calcium hydroxide is dissolved in a separate chamber by means of the water jet of the... more

    $176.29

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    Phoslock 795gm Treats 1600gals

    Phoslock 795gm Treats 1600gals

    "Pura (Magnavore) - PhosLock 795 g . PURA PhosLock is fast acting, long lasting, and very effective in reef, marine, planted, and delicate freshwater aquaria. PhosLock is the third generation ferric oxide hydroxide specifically modified for use in... more

    $46.03

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    Phoslock 150gm Treats 300gal

    Phoslock 150gm Treats 300gal

    "Pura (Magnavore) - PhosLock 150 g. PURA PhosLock is fast acting, long lasting, and very effective in reef, marine, planted, and delicate freshwater aquaria. PhosLock is the third generation ferric oxide hydroxide specifically modified for use in... more

    $11.79

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    Pura (Magnavore) APU00402 Phoslock Aquarium Filter Media for 1600-Gallon Tank 795gm

    Pura (Magnavore) APU00402 Phoslock Aquarium Filter Media for 1600-Gallon Tank 795gm

    PURA PhosLock is fast acting. long lasting. and very effective in reef. marine. planted. and delicate freshwater aquaria. PhosLock is the third generation ferric oxide hydroxide specifically modified for use in aquarium applications. PhosLock is stable... more

    $40.17

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    "Seachem Laboratories Inc-Reef Kalkwasser 250 Gram"

    "Seachem Laboratories Inc-Reef Kalkwasser 250 Gram"

    "REEF KALKWASSERPure calcium hydroxide with unsurpassed purity and solubility characteristics.Used to prepare limewater kalkwasser solutions that will maintain calcium concentrations at natural seawater levels.UPC : 000116039307Size : 250 GRAMLength :... more

    $12.99

    FREE shipping

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    Tropic Marin Pro-Coral Kalk

    Tropic Marin Pro-Coral Kalk

    Tropic Marin Pro-Coral KalkOur Tropic Marin Pro-Coral Kalk is calcium hydroxide in its purest form and is used to make up the classic limewater advocated by Wilkens. Pro-Coral Kalk increases pH and calcium content to promote the growth of corals and... more

    $23.49

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    petco.com

    (200,000+)
    KW Reactor 300

    KW Reactor 300

    One of the best ways to add calcium to your reef aquarium is to add some with the water used to top off the aquarium to make up for the evaporated water. For years hobbyist have use Kalkwasser (dry calcium hydroxide mixed in water) to accomplish this.... more

    $79.99 $67.99

    FREE shipping

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    PetSolutions

    (25,000+)

    More information about Fish Supplies

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