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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
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Weipro
Products
Bubble Magus Calcium Reactor
Price$0.00
Average Rating4.57(7)
Aqua Excel
Aqua Excel Calcium Reactor
Price$145.67
Average RatingRate it!(0)
Co2 Regulator & Accessory
4 Way Tube Holder
Price$7.28
Sale$6.56
You Save$0.73 (10%)
Average Rating4.81(47)
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  • Adjust Cable and Tube Easy
  • Mount on the Tank
Professional Deluxe Dual Co2 Regulator
Price$124.55
Sale$108.53
You Save$16.02 (13%)
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Qty
  • Dual Regulator for Output
  • Easy to Ajdust
HSL Co2 Regulator
Price$98.33
Sale$83.76
You Save$14.57 (15%)
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  • Stable Co2 Regulator
  • Easy to control
Weipro PH2010 Ph Meter
Price$123.09
Sale$108.53
You Save$14.57 (12%)
Average Rating4.47(47)
Qty
  • Ph Probe Include
  • Easy to Adjustable
  • Fresh / Marine / Calcium Reactor Use
Co2 Check Valve x2
Price$2.75
Sale$1.46
You Save$1.30 (47%)
Average Rating4.67(12)
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Air Control Valve ~ Idea for water tubling x2
Price$2.75
Sale$1.46
You Save$1.30 (47%)
Average Rating4.33(6)
Qty
Co2 Black Tube Pipe (100cm)
Price$2.19
Sale$1.46
You Save$0.73 (33%)
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A Grade Co2 Dosing Tube
Price$4.37
Sale$1.46
You Save$2.91 (67%)
Average Rating4.8(5)
Qty
  • Dosing Cable
Aquarium Air Tube
Price$2.53
Sale$2.30
You Save$0.23 (9%)
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Up! Co2 System Kit
Price$65.55
Sale$50.98
You Save$14.57 (22%)
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Bubble Counter with Check Valve
Price$7.28
Sale$5.32
You Save$1.97 (27%)
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Calcium Reactor
Bubble Magus Calcium Reactor
Price$0.00
Average Rating4.57(7)