CO2 Glass Bubble Counter
It is an instrument that can count the amount of CO 2 added by the number of bubbles.
Even beginners can easily grasp the amount of CO 2 added, and it is possible to
properly add CO 2 according to the condition of the aquarium . It is a simple design that
emphasizes functionality, and it also matches well for parens.
- Additional information
30, 40, 50