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Retail Summer Hours starting June 1st
Starting June 1st we will be closed Mondays in addition to Tuesday and Wednesday for walk in retail customers. Internet and eBay orders will continue to ship as normal.
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GEO UMC420 Media Reactor
GEO UMC420 Media Reactor
GEO UMC420 Media Reactor


  • All cell cast acrylic construction
  • Large 4" diameter reaction chamber
  • 5.5" base diameter, 22" tall
  • twist lock lid for easy service
  • Silicone O-ring
  • Feed at the base eliminates the center tube in the chamber allowing easier service
  • 1/2" female thread  in and out allow hard plumbing with common PVC fittings
  • Barb fittings and tube clamps provided for soft connection
  • Can be used for media of any type or as a second chamber on a calcium reactor

Uses include but are not limited to: PO4 media, granular activated carbon, biological sand, calcium reactor effluent chamber.
GEO UMC420 Media Reactor

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