Pro-Leaf CO2 Controller & Sensor Bulky durable meter they can carry

durable meter they can carry around

then add your base nutrients and other additives

Includes magnesium—most competitors don't

Because this is super-concentrated

no electricity bill

Pro-Leaf CO2 Controller & Sensor Bulky durable meter they can carryPro 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