CO2 Bubblecounters

This BLAU glass bubble counter s an effective tool for accurate measurement of the amount of CO2 entering the aquarium. Size: 12,2 x 1,6cm.

This BLAU glass bubble counter s an effective tool for accurate measurement of the amount of CO2 entering the aquarium. Size: 8 x 2,6cm. Suction cups...

This BLAU glass spiral bubble counter s an effective tool for accurate measurement of the amount of CO2 entering the aquarium. Size: 12 x 2 cm.

With the HS Aqua Glass Bubble Counter Oval, counting bubbles becomes very easy. The bubbles rise from the bottom to the top, making them easy to count...

With the HS Aqua glass bubble counter spiral, counting bubbles becomes very easy and elegant at the same time. The bubbles rise through the spiral, ma...

With the extremely robust bubble counter from HS Aqua, you can easily dose CO2 to ensure the right amount is added to the aquarium. The bubble counter...

This HS Aqua CO2 diffuser with built-in bubble counter is made of high-quality colorless glass that is virtually invisible in the aquarium. Dimension...

This HS Aqua CO2 diffuser with a built-in bubble counter is made of high-quality, colorless glass that is almost invisible in the aquarium. The diffus...

This BLAU glass CO2 diffuser has an integrated bubble counter. Height: 10,8 cm. For aquariums up to 60 liters.

This BLAU glass CO2 diffuser has an integrated bubble counter. Height: 14,5 cm. For aquariums up to 90 liters.

The Aqua-Noa 3-in-1 CO2 filter diffuser attaches directly to the external filter hose, allowing the CO2 to mix directly with the water and be released...

Inexpensive glass CO2 set XS for nano aquariums with diffuser, bubble counter, check valve and CO2 checker. For aquariums up to 30 liters.

Inexpensive glass CO2 set XS with diffuser, bubble counter, check valve, glass U and CO2 checker. For aquariums up to 60 liters.