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HomeShopFISHACCESSORIESIsta Aquarium Accessories CO2 Indicator All Angle View


  • Take apart the CO2 Indicator.
  • Add 1cc of indicator solution to the reservoir then reattach the CO2 Indicator firmly.
  • Submerse the CO2 indicator vertically and attaché to the desired location inside the tank by suction cup.
  • Stick the color chart on the glass wall of the tank (the position to cover the suction cup) to read the CO2 level in your tank.
  • Change solution every 2 – 4 weeks. Solution change at water change is NOT necessary.
  • Yellow-green display: excessive CO2 Green shows: CO2 is normal Blue display: insufficient CO2 Note: There may be 1-3mm of size deviation due to manual measurement.
  • There may be a little color difference due to display pixels and light.