Fluval CO2 Indicator Set


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The CO₂ indicator Set by Fluval allows you to easily and reliably monitor the CO₂ level in your aquarium.

The colour changes to indicate the CO₂ content:

  • Yellow = high CO₂ content
  • Green = ideal CO₂ content
  • Blue = low CO₂ content

Tip: Replace the indicator solution monthly to get reliable results!

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