CO2 Diffusers

This HS Aqua CO2 diffuser is made of high-quality colourless glass that is virtually invisible in the aquarium. The diffuser provides very small CO2 bubbles that are easily absorbed by the aquarium water. Dimensions (WxH): 20 x 25 mm

This HS Aqua CO2 diffuser is made of high-quality colourless glass that is virtually invisible in the aquarium. The diffuser provides very small CO2 bubbles. Dimensions (WxH): 28 x 25 mm.

This HS Aqua CO2 diffuser is made of high-quality colourless glass that is virtually invisible in the aquarium. The diffuser provides very small CO2 bubbles. Dimensions (WxH): 40 x 30 mm

This HS Aqua CO2 diffuser with built-in bubble counter is made of high-quality colorless glass that is virtually invisible in the aquarium. Dimensions (H x W): 8.5*3.5 cm.

Bubble counter, reflux valve and ceramic diffuser in one

The BLAU glass mini CO2 diffuser is a stylish way to introduce CO2 into the planted aquarium. This version with ceramic ring of 12 mm is suitable for aquariums up to 30 liters.

The BLAU glass CO2 diffuser 25 is a stylish way to introduce CO2 into the planted aquarium. This version with ceramic ring of 25 mm is suitable for aquariums up to 60 liters.

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.

Dennerle CO2 flippers for effectiviely dissolving of CO2. With integrated bubble-counting function. Available in 4 different models.

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.