TNB Naturals CO2 has the potential to double your crops yield. Adding CO2 allows plants to continue growing at an optimum rate at all times.

• Continue to use your canister and save money with the refill pack.

• Natural ingredients when activated create a blast of CO2 that can reach 1200ppm in a 12x12x12 area.

• Goes to work quickly. (8 to 10 hours)