OCTO Universal CO2 Scrubber C2T-90


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OCTO Universal CO2 Scrubber C2T-90

The OCTO Universal CO2 Scrubber C2T-90 is a universal reactor to help control pH levels within a reef aquarium by lowering the concentration of dissolved carbon dioxide in the water. The ideal pH level for a reef tank should be around 8.3 for optimal coral growth. If your aquarium suffers from chronically low pH or you find it challenging to keep pH within the desired range, connecting a Reef Octopus CO2 Scrubber to the air intake of your protein skimmer is a great solution to increase and maintain your levels.

If you’d like to increase the longevity of your CO2-absorbing media (not included) when using the reactor, be sure to check out the moisture-reducing CO2 Scrubber Skimmer Lids to be used in conjunction with Reef Octopus Protein Skimmers.


Features & Benefits:

  • Supports stable pH water levels
  • Dual valve control outlets
  • Durable acrylic construction
  • Compact profile– fits easily under your tank
  • Input and output union connections
  • Barbed intake for optional recirculation setup


  • Footprint (mm): 170 x 130
  • Height: 435mm
  • Diameter: 90mm
  • Inlet Size: 17mm
  • Outlet Size: 12mm
  • Reactor Capacity: 1 litre