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Calcium Reactors

A Calcium Reactor is the most efficient way to provide calcium, alkalinity, and other trace minerals to SPS dominant, mature, and large reef tanks. Buy calcium reactors and accessories at SaltwaterAquarium.com

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  • Classic CR818 GEN 3 - 8" Calcium Reactor RED w/Pump - Geo's Reef

    Classic CR818 GEN 3 - 8" Calcium Reactor RED w/Pump - Geo's Reef

    Geo's Reef

    $775.00
    *******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR818 GEN 3 will hold 24 pounds of large grain media and is well suited for large SPS reef displays and...
  • CR200 DC Calcium Reactor 8" W/Varios 4 Pump - Reef Octopus

    CR200 DC Calcium Reactor 8" W/Varios 4 Pump - Reef Octopus

    Reef Octopus

    $729.99
    VarioS CR200 8 inch Calcium Reactor SKU: OCT-CALR200 Footprint: 15.2″ x 10.6″ | Body Diameter: 8″ | Height: 23″ Recirculation Pump: Reef Octopus VarioS 4 Rated for Aquariums up to 500...
  • CR140 DC Calcium Reactor 5.5" W/Varios 2 Pump - Reef Octopus

    CR140 DC Calcium Reactor 5.5" W/Varios 2 Pump - Reef Octopus

    Reef Octopus

    $649.99
    VarioS CR140 5.5 inch Calcium Reactor SKU: OCT-CALR140 Footprint: 12.2″ x 9.1″ | Body Diameter: 5.5″ | Height: 23″ Recirculation Pump: Reef Octopus VarioS 2 Rated for Aquariums up to 200...
  • CarbonDoser Electronic CO2 Regulator

    CarbonDoser Electronic CO2 Regulator

    CarbonDoser

    $439.99
    The new V2.0 allows for the aquarist to position the CO2 cylinder out of the way in a remote area. Then mounting the "box" anywhere such as up on a board with all the electronics/pH controllers/ETC The 1/8" tubing from the Reg to the Box is...
  • CaRx Calcium Reactor Large Particle Media (10 kg) - Triton

    CaRx Calcium Reactor Large Particle Media (10 kg) - Triton

    Triton

    $76.00
    Triton CaRx Media is a high purity calcium reactor medium for use in professional care systems such as in the Triton method and can be used in combination with Triton Infusion. High purity media preventing problems that occur from contamination. No...
  • MA955 Solenoid Valve for Co2 Dosing - Milwaukee Instruments

    MA955 Solenoid Valve for Co2 Dosing - Milwaukee Instruments

    Milwaukee Instruments

    $38.00
    The solenoid valve is an accessory for the MC122 and the MC125 to automate your dosing of CO2 and makes sure that the plants of your aquarium are always healthy. MA955, solenoid valve, is supplied with 1.5 m cable.
  • LITTLE ReBorn Calcium Reactor Media (8.8 lbs) -  Two Little Fishies

    LITTLE ReBorn Calcium Reactor Media (8.8 lbs) - Two Little Fishies

    Two Little Fishies

    $35.66
    Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western Pacific. When dissolved, ReBorn replenishes calcium and carbonate alkalinity,...
  • ARM Calcium Reactor Media Coarse (1 Gallon) - Caribsea

    ARM Calcium Reactor Media Coarse (1 Gallon) - Caribsea

    Caribsea

    $32.69
    Calcium reactors have evolved into several types that require different media sizes. Because of this we now offer ARM™ Coarse for rapid upflow type reactors that have become so popular. This coarse grade of ARM™ will prevent the clogging and...
  • Reef Reactor Large (4 L) Calcium Reactor Media - Seachem

    Reef Reactor Large (4 L) Calcium Reactor Media - Seachem

    Seachem

    $32.52
    Reef Reactor™ is a high-purity source of aragonite, which supplies all important elements for optimal ionic balance and robust coral growth and coloration in reef aquaria. It has a grain size of approximately 0.5–1 cm (Reef Reactor™...
  • Reef Reactor Medium (4 L) Calcium Reactor Media - Seachem

    Reef Reactor Medium (4 L) Calcium Reactor Media - Seachem

    Seachem

    $32.52
    Reef Reactor™ is a high-purity source of aragonite, which supplies all important elements for optimal ionic balance and robust coral growth and coloration in reef aquaria. It has a grain size of approximately 0.5–1 cm (Reef Reactor™...
  • CarbonDoser CO2 Check Valve

    CarbonDoser CO2 Check Valve

    CarbonDoser

    $29.99
    After years of experience with CO2 systems, we discovered why consistent "bubble counts" are, most of the time, impossible. Here's why: ALL check valves, even expensive ones, have a "high crp" or "crack pressure" rating (the pressure at which they...
  • ARM Calcium Reactor Media EXTRA Coarse (1 Gallon) - Caribsea

    ARM Calcium Reactor Media EXTRA Coarse (1 Gallon) - Caribsea

    Caribsea

    $25.29
    Calcium reactors have evolved into several types that require different media sizes. Because of this we now offer ARM™ Coarse for rapid upflow type reactors that have become so popular. This coarse grade of ARM™ will prevent the clogging and...
  • ReMag Magnesium Media for Calcium Reactors (2.2 lbs) -  Two Little Fishies

    ReMag Magnesium Media for Calcium Reactors (2.2 lbs) - Two Little Fishies

    Two Little Fishies

    $21.41
    ReMag is a magnesium-rich natural stone sized to blend well with ReBorn and other calcium carbonate media for use in calcium reactors. ReMag makes maintaining the magnesium level in your reef a no-brainer. Simply use ReMag in a calcium reactor according...
  • Reef Reactor Medium (2 L) Calcium Reactor Media - Seachem

    Reef Reactor Medium (2 L) Calcium Reactor Media - Seachem

    Seachem

    $21.23
    Reef Reactor™ is a high-purity source of aragonite, which supplies all important elements for optimal ionic balance and robust coral growth and coloration in reef aquaria. It has a grain size of approximately 0.5–1 cm (Reef Reactor™...