Aquarium Beetle Rhinox Co2 Spiro Glass Bubble Counter Diffuser for Planted Tank

This is a quality Rhinox shape glass bubble counter, some people call it beetle shape. It gives your tank a great and special look than other normal bubble counters. BRAND NEW in original packing.
Compatible with pressurized CO2 tanks and DIY yeast bottles.
Beautiful bubble counter that helps you to estimate amount of CO2 release into your aquarium.
Bubbles moves along the Spiro upward, and when it escape from the Spiro, you can count bubbles per second.
The counter is 2.5cm diameter, 16cm long.
To setup:
Fill the counter with water
Connect the CO2 tubing to the inlet of the counter
CO2 gas from the pipe will create bubbles in the water
Count the number of bubbles per second to make calculation
Counter can be placed outside of the tank. Use the suction cups provided to attach in on the aquarium glass.The inlet outlet size is 6mm diameter.