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Carbon Doser Electronic JG Upgraded CO2 Regulator – with John Guess Fittings Upgrade

The CarbonDoser CO2 Regulator is hands down the most accurate CO2 dosing product available, an easy ..
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JG Carbon Doser

The CarbonDoser CORegulator is hands down the most accurate CO2 dosing product there is available for both Calcium Reactors AND Freshwater Planted Aquariums featuring a digital “hands – off” digital metering-valve adjustment. No more constant adjusting of the needle valves because of changes in COpressure and fear of “crashing pH” or Calcium Reactor malfunctions!