ANS - CO2 Drop Checker Set (Nano) Glass

The ANS CO2 Drop Checker (Nano) is designed for measuring the amount of CO2 in your aquarium water. To get an optimum amount of CO2, adjust your CO2 output according to the colors shown in the drop checker.

Each piece is individually handcrafted.

Includes indicator solution and colour chart.

1 to 2 drops of reagent per use





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