DrAsTiC

Advanced Reefer
Location
Rockland County
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I have never used a calcium reactor so I am leaning on people who have hands on advice with these reactors. Which one would you choose?

Vertex RX4 Calcium Reactor
GEO 418 Calcium Reactor
Reef Octopus CR-140 Reverse Flow Calcium Reactor
 

pecan2phat

Professional Commuter
Location
Wallingford, CT
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To me, they all work fine as long as the basic principle is there where there is a down flow through the media, injection of Co2 mixed inline with the recirculating pump. C02 bubble glass is redundant since you would have one on your regulator and having a PH probe port is convenient so that you don't need to measure the effluent in a cup setup.
I just use a K2R CaRx (discontinued), simple and been working fine for the past 8 yrs.
 

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