Twon-in-One the Blau Aquaristic Glass Co2 Diffuser & Spiral Bubble Counter is a diffuser with built in bubble counter. The bubble counter enables you to measure the amoount of Co2 injected in your aquarrium. The spiraling motion of bubbles will give you an idea of what Co2 is being dosed.
On the other hand, the high quality diffuser with the ceramic disc will help you increase the diffusion of carbon dioxide into the aquarium water. This simply yet beautifully designed equipment will allow you to achieve stunning aquascaping results while having both diffuser and bubble counter all rolled into one.
Ideal for aquariums up to 120cm large.
Ceramic Diameter: 47mm
For aquariums up to 120cm large