NEW CO2 Glass Drop Checker - Aquarium Real time Solution Indicator Liquid L5S1

The hardness of the water in the storage tank does not matter. Use liquids of different intensities to move the indicator's changing points to adapt to different CO2 levels. How to set up a CO2 indicator solution for a CO2 checker: Add 4 dkH reference solution to your droplet checker.
The hardness of the water in the storage tank does not matter. Use liquids of different intensities to move the indicator's changing points to adapt to different CO2 levels. How to set up a CO2 indicator solution for a CO2 checker: Add 4 dkH reference solution to your droplet checker.

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NEW CO2 Glass Drop Checker - Aquarium Real time Solution Indicator