The Pro-Leaf Controller makes it simple to maintain optimal CO2 levels in your grow room. Just plug it into a socket, connect your CO2 source (bottle or burner), and it’ll handle the rest—automatically adjusting CO2 output based on real-time data from its sensor.
Boosts Growth & Yields: Increases photosynthesis with CO2 levels between 400–2000ppm
Smart & Efficient: Built-in light sensor stops dosing during dark periods to avoid waste
Simple Setup: Plug-and-play operation with a clear display and easy controls
Accurate Monitoring: Real-time CO2 readings and dosing via external sensor (4.5m cord)
Flexible Control Modes: Works with bottles, regulators, gas-powered CO2 generators, or fans
Includes Everything: Controller, sensor, fixings, instruction manual, and 1-year warranty
Photosynthesis thrives with higher CO2—up to 3x atmospheric levels—helping plants grow faster and produce larger fruits. Unlike guesswork methods, Pro-Leaf doses with precision using real-time data.
Control Range: 400–2000ppm
Accuracy: ±100ppm
Max Load: 10A
Weight: 1kg
Power: UK 3-pin plug
Set your desired CO2 PPM and deadband (tolerance range).
Choose your control mode:
PPM Up for CO2 burners
Fuzzy Logic for CO2 bottles
PPM Down for fan-controlled reduction (optional)
Use the Max/Min function to track CO2 levels while away.
Note: Keep at least 2.5m from digital ballasts. Not compatible with sulfur vapourisers (remove sensor before use to protect warranty).