Colombo Indikátor CO2

Place the indicator in the aquarium and the color of the indicator indicates the CO2 level. The indicator can display three different colors. In order to clearly distinguish between the designated colors, the correct color is displayed on the packaging

Green:. CO2 in the aquarium is optimal, i.e. 15-25 mg / l.

Blue:. CO2 content in the aquarium is too low, i.e. <10 mg / l.

Yellow:. CO2 in the aquarium is too high, i.e. > 30 mg / l.