A regulator with two-stage regulates the pressure better and maintains stable CO2 output. This eliminates the sudden CO2 dump (can happen due to low pressure) called end-of-tank-dump (EoTD) catastrophe.
The Pro Series dual stage CO2 regulator is your best choice for injecting CO2 to your aquarium
Pro Series has dual stage structure and safety built-in plus adjustable output pressure
Expandable manifold blocks with integrated high precision needle valves and bubble counters
DC 12V solenoid valve is high Performance and uses less power
