Pro-Leaf CO2 Controller & Sensor Bulky This is where the balancer

This is where the balancer really earns its place

all standard nutrients (except sterilising agents)

then add your base nutrients and other additives

Because this is super-concentrated

Just place the product in the top chamber

Pro-Leaf CO2 Controller & Sensor Bulky This is where the balancerPro Leaf CO2 Controller & Sensor Professional Construction, Smart Pricing Our thoughts We bought heavy on this one, so you benefit from clearance pricing. One we sell a lot of for new growers. The Pro Leaf Controller makes optimising carbon dioxide levels as simple as possible. Just plug it into a power socket and plug your CO2 source (either a burner or bottle) into the Pro Leaf. You can then monitor CO2 concentrations and automatically maintain