CO2 Checkers


BLAU Glass Tube CO2 Indicator

€12,50

With this gracefull BLAU Glass tube CO2 indicator you can easily monitor the CO2 content in a planted aquarium. Color of the added CO2 indicator fluid changes when CO2 is not within the desired parameters.

BLAU Glass Drop checker

€10,50

With this glass BLAU CO2 drop checker you can easily monitor the CO2 content in a planted aquarium. Color of the added CO2 indicator fluid changes when CO2 is not within the desired parameters.

Blau CO2 Liquid Indicator

€7,95

With the BLAU CO2 liquid Indicator you can easily monitor the CO2 content in a planted aquarium. Used in combination with the CO2 Indicator or CO2 Drop Checker.