Pro-Leaf
Pro-Leaf from the Bristol shop: the CO2 controller and the CO2 regulator, for running bottled CO2 in a sealed room.
In StockPro-Leaf
£357.25
Pre-OrderPro-Leaf
£89.95
About Pro-Leaf
How it works
The controller measures the CO2 level in the room and opens the regulator's solenoid only when it drops below the level you set, typically 1,000 to 1,500 ppm, so a bottle lasts as long as it can. Only worth doing in a room that keeps the gas in.
Related
Bags and generators for a passive top-up, and monitors, are under CO2 Equipment.