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A calcium reactor is a simple, convenient solution used to maintain calcium and alkalinity in a reef aquarium. They require little maintenance after the initial setup and are almost a necessity for tanks heavily stocked with stony corals, where calcium and alkanlinty demands are high.

To remove any guesswork, weâ??ve assembled several packages that include everything youâ??ll need: a calcium reactor, a Co2 regualtor / Calcium Media and Co2 Bottle.

You can controller by the Co2 Regulator  + PH Controller + Calcium Reactor to controller the KH

Calcium Reactor
Weipro
Products
Bubble Magus Calcium Reactor
Price$0.00
Average Rating4.57(7)
Aqua Excel
Aqua Excel Calcium Reactor
Price$846.49
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Co2 Regulator & Accessory
Weipro PH2010 Ph Meter
Price$715.29
Sale$630.64
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Average Rating4.47(47)
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  • Ph Probe Include
  • Easy to Adjustable
  • Fresh / Marine / Calcium Reactor Use
Up! Co2 System Kit
Price$380.92
Sale$296.27
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Professional Deluxe Dual Co2 Regulator
Price$723.75
Sale$630.64
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  • Dual Regulator for Output
  • Easy to Ajdust
HSL Co2 Regulator
Price$571.38
Sale$486.73
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  • Stable Co2 Regulator
  • Easy to control
Co2 Check Valve x2
Price$16.00
Sale$8.46
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Average Rating4.67(12)
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Co2 Black Tube Pipe (100cm)
Price$12.70
Sale$8.46
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Bubble Counter with Check Valve
Price$42.32
Sale$30.90
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Aquarium Air Tube
Price$14.73
Sale$13.37
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Air Control Valve ~ Idea for water tubling x2
Price$16.00
Sale$8.46
You Save$7.53 (47%)
Average Rating4.33(6)
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A Grade Co2 Dosing Tube
Price$25.39
Sale$8.46
You Save$16.93 (67%)
Average Rating4.8(5)
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  • Dosing Cable
4 Way Tube Holder
Price$42.32
Sale$38.09
You Save$4.23 (10%)
Average Rating4.8(46)
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  • Adjust Cable and Tube Easy
  • Mount on the Tank