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Geo Calcium Reactors
Geo CR1218 Calcium Reactor
The world famous GEO Calcium Reactor!

Geo reactors are made in the USA in Ohio and fabricated using only the finest cast acrylic materials and quality fittings. Geo calcium and kalkwasser reactors like all GEO products are designed with the user in mind. The bottom up flow deisgn in the GEO calcium reactor captures free CO2 and draws it back into the pump. This means less gas in the reactor and less gas in the effluent. There is no need for a second single pass chamber with the GEO design.

The GEO calcium reactor line include all of the fittings and tube required for normal installation. The user will need to supply the media, CO2 equipment and feed pump of choice.

GEO CR1218 Commercial Calcium Reactor

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

  • Extra large 12" diameter reaction chamber
  • All cell cast acrylic construction
  • ½” thick lid, flange and base
  • Silicone o-ring
  • Key hole slot for lid removal
  • Full access to the reaction chamber with lid removed for easy maintenance
  • Compact Needle valve effluent control
  • High grade PVC Check Valve
  • Pan World PX 50 pump, bolts to mounting plate
  • pH probe port in lid
  • pH probe adapter included
  • Auto fill bubble counter
  • 19 x 19 foot print, 24" overall height
Geo CR1218




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