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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€87.73
Average RatingRate it!(0)
Co2 Regulator & Accessory
Weipro PH2010 Ph Meter
Price€74.13
Sale€65.36
You Save€8.77 (12%)
Average Rating4.47(47)
Qty
  • Ph Probe Include
  • Easy to Adjustable
  • Fresh / Marine / Calcium Reactor Use
Up! Co2 System Kit
Price€39.48
Sale€30.70
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Professional Deluxe Dual Co2 Regulator
Price€75.01
Sale€65.36
You Save€9.65 (13%)
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Qty
  • Dual Regulator for Output
  • Easy to Ajdust
HSL Co2 Regulator
Price€59.21
Sale€50.44
You Save€8.77 (15%)
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Qty
  • Stable Co2 Regulator
  • Easy to control
Co2 Check Valve x2
Price€1.66
Sale€0.88
You Save€0.78 (47%)
Average Rating4.67(12)
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Co2 Black Tube Pipe (100cm)
Price€1.32
Sale€0.88
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Bubble Counter with Check Valve
Price€4.39
Sale€3.20
You Save€1.18 (27%)
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Aquarium Air Tube
Price€1.53
Sale€1.39
You Save€0.14 (9%)
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Air Control Valve ~ Idea for water tubling x2
Price€1.66
Sale€0.88
You Save€0.78 (47%)
Average Rating4.33(6)
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A Grade Co2 Dosing Tube
Price€2.63
Sale€0.88
You Save€1.75 (67%)
Average Rating4.8(5)
Qty
  • Dosing Cable
4 Way Tube Holder
Price€4.39
Sale€3.95
You Save€0.44 (10%)
Average Rating4.8(46)
Qty
  • Adjust Cable and Tube Easy
  • Mount on the Tank