Glass bubble counter used for displaying CO2 bubble rate in your planted aquarium. The sleek design of this glassware makes equipment unobtrusive.
Recommended set up is:
 Fill the bubble counter with water.
 Connect CO2 tubing from the regulator with non return valve
 Connect non return valve to bottom of bubble counter with silicone tubing (place non return valve close to bubble counter)
 Connect the top of the bubble counter with silicone tubing, then connect with diffuser
If you have a solenoid, place it under/below the non return valve. Therefore the set up should be:
Compatible with pressurized CO2 tanks & DIY yeast bottles.