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| CO2 Glass Counter is designed for measuring the amount of CO2 supply employing the simple yet accurate bubble counting method. It can measure up to 4 to 5 bubbles per second and it's hand made, all glass, simple design, matches to the aquarium. Glass Counter is crucial to the minute adjustment of CO2 supply. |
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Features
- Comes with a one-way flow ('check') valve.
- Harmonizes perfectly with the aquarium.
- Allows for far more accurate visual measurement of the CO2 supply.
- Doesn't lose water and never needs cleaning.
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