Hand made with high quality glass, the CO2 Indicator can be cleaned easily using bleaching agent when dotted with algae. Indicator Solution is sold separately. Rinse glass piece thoroughly before putting it back to use.
- Made of high-quality glass
- Unique ball form
- Easy determination of the CO2 concentration
- The necessary suction cup is included
Please note: All Blau items have branding painted on them in white lettering.