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Geo 624 Calcium Reactor

SKU: 207102


  • Honest By Reefsi on 4/10/2014

    Well built item for the most part. The probe holder and other little parts are plus's and built well. Only complaint I have is 3 of the plastic bolts to seal the top snapped right out the box and 2 were already broke. Other than that I have not ran it yet, but its going to be up and running soon, ill try and report back.
  • Best Reactor on the Market! By NE Patriots Fan on 4/3/2014

    Don't buy anything else - GEO Reactors are the best you can buy. Nothing compares to the quality. I have had one for 6 years now. I love it. Its easy to set up too. Good product!
  • Great reactor By bgp230 on 1/12/2014

    Very good reactor. was easy to set up, however, the hose clamps that come with the unit are the cheep plastic type. I replaced them with the stainless clamps because the plastic ones leaked.
  • Good Quality Reactor By vick on 11/12/2013

    I bought it from another reefer friend, who had used it for more than a year. The quality is remarkablem, had no leaks, was very easy to do the setup and would recommend to every one.

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