Geo's Reef Calcium Reactor (CR1218)

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About This Product


  • All cell cast acrylic construction
  • thick clear lid to view proper O-ring seal
  • Silicone o-ring
  • Key hole slot for lid removal
  • Full access to the reaction chamber (small diameter union tops do not provide this, making maintenance a chore)
  • Needle valve effluent control
  • Pan World 55 pump, bolted to base plate
  • pH probe port in lid
  • pH probe adapter included
  • Auto fill bubble counter
  • 18 x 18 foot print, 24" overall height

The CR1218 will holds 50 pounds of large grain media and is suitable for reef aquariums over 1000 gallons.