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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$139.80
Average RatingRate it!(0)
Co2 Regulator & Accessory
Weipro PH2010 Ph Meter
Price$118.13
Sale$104.15
You Save$13.98 (12%)
Average Rating4.47(47)
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  • Ph Probe Include
  • Easy to Adjustable
  • Fresh / Marine / Calcium Reactor Use
Up! Co2 System Kit
Price$62.91
Sale$48.93
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Professional Deluxe Dual Co2 Regulator
Price$119.53
Sale$104.15
You Save$15.38 (13%)
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  • Dual Regulator for Output
  • Easy to Ajdust
HSL Co2 Regulator
Price$94.37
Sale$80.39
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  • Stable Co2 Regulator
  • Easy to control
Co2 Check Valve x2
Price$2.64
Sale$1.40
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Average Rating4.67(12)
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Co2 Black Tube Pipe (100cm)
Price$2.10
Sale$1.40
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Bubble Counter with Check Valve
Price$6.99
Sale$5.10
You Save$1.89 (27%)
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Aquarium Air Tube
Price$2.43
Sale$2.21
You Save$0.22 (9%)
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Air Control Valve ~ Idea for water tubling x2
Price$2.64
Sale$1.40
You Save$1.24 (47%)
Average Rating4.33(6)
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A Grade Co2 Dosing Tube
Price$4.19
Sale$1.40
You Save$2.80 (67%)
Average Rating4.8(5)
Qty
  • Dosing Cable
4 Way Tube Holder
Price$6.99
Sale$6.29
You Save$0.70 (10%)
Average Rating4.8(46)
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  • Adjust Cable and Tube Easy
  • Mount on the Tank