This external CO2 reactor using a patented impeller together with a ceramic tube will ensure CO2 fully dissolves in the water, stay longer in the tank and increase the diffusion rate.
It is small but will ensure the best diffusing effect.
The transparent chamber makes it visible to check water flow and the speed of CO2 diffusion through the internal impeller.
The ceramic inside is easy to clean and replace.
Suitable to use with external filter and canister filter.