Indicator for showing the carbon dioxide content in fresh water aquaria.
Incl. 10 ml CO2 indicator solution.nject 1 ml of CO2 indicator solution into CO2 indicator directly. It is recommended to change CO2 indicator once a month. Compare the color of the CO2 solution with the included scala and determine the CO2 content of your aquarium water.
|Dimensions||168 × 122 × 56 mm|