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- Allows you to monitor the CO2 level in your tank from any angle.
- Unique design prevents any chance of spilling the indicator solution.
- Reusable color chart sticker allows the constant repositioning of the position of the label on the aquarium.
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.
- Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device