Specially designed to meet the needs of a professional. Made of glass for maximum reliability.

Comes with a 15 ml Drop Checker solution and suction cup. No mixing or preparation required. This is everything you need to start monitoring CO2 levels in your aquarium.

The Drop Checker is an original glass product, designed to indicate the amount of CO2 dissolved in the aquarium water by changing the color of the pH reagent inside, in order to understand the correct amount of CO2 supply.

• External diameter: 3 cm
• Height: 5.5 cm

Tags: aquarium CO2 equipment, CO2 bubble counter