BLAU Glass Tube CO2 Indicator
With this gracefull U-shaped BLAU Glass tube CO2 indicator you can easily monitor the CO2 content in a planted aquarium. The CO2 indicator is filled with a CO2 indicator fluid, which shows the CO2 content of the water by means of a color change.
Blue indicates too little CO2, yellow indicated there is to much CO2 and green tells you the CO2 contents is correct.
please note that the indicator fluid takes sereral hours to react, so corresponding color change is not noticable right away.
The liquid should be replaced every 4-6 weeks in order for the CO2 Indicator to work properly.
Size: 49 x 58 x 10 mm
CO2 Liquid indicator not included
