Glass Aquarium CO2 Drop Checker

CO2 Monitor Details:

- Material: Glass

- Circle Diameter: 21mm/0.83"

- High: 46mm/1.81"

- Bottom Diameter: 23mm/0.91"

CO2 Monitor Features:

- Observed the CO2 drop checker solution color to adjust your aquarium CO2 output.

Easy to Install and Use:

- Drop 5 drops of CO2 indicator(not include) into the glass checker.

- Pour monitor to let the CO2 indicator flow into the test area.

- Use a straw to fill the tank water with the test solution area to 1/2.

- Turn the opening facing of drop checker down.

- Use a sucker to attach it to the side of your tank and wait for up to 2 hours.

Indicator Color Chance Shows Results:

- The CO2 indicator color is blue, represented CO2 insufficient;

- Turns green, the balance of CO2;

- Turns yellow, means your tank has too much CO2;

- Make the necessary adjustments and test until you get green.

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