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carx

  1. NeverlosT

    Calcium Reactor Secondary Chamber... not worth it?

    Saw this study done by BRS. Very interesting. I have observed this as well. I think the "tribal knowledge" is that a secondary chamber on your CARX will result in significantly higher effluent pH and effluent strength. It appears that the facts are that the pH is only very modestly increased, as...
  2. BiGGiePauls33

    Sold Geo Reef CR612 Calcium Reactor | $175 with Aqua Medic Co2 Regulator | Pickup 02333

    Up for sale is a Geo Reef CR61 calcium reactor. This was on a previous members tank. Comes with Eheim recirculation pump and Aqua Medic co2 regulator. $175, pickup is in East Bridgewater, MA. PM is key,
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