CO2 Regulators and Cylinders for Aquariums
Many advanced aquarists use CO2 injection
to nourish coral or freshwater plants. A CO2 system requires a CO2 cylinder and CO2 regulator
. The CO2 tank
stores the CO2. Marine Depot sells a 5lb CO2 tank and a 10lb CO2 tank.
The CO2 regulator attaches to the CO2 tank and regulates the flow of CO2 . Pressure gauges display tank pressure and the pressure of the CO2 flow. The main regulator valve
like the one from Tunze
sets the rate of CO2 injection
, while the needle valve allows fine tuning. A bubble counter allows for manual measurement of CO2 .
are highly pressurized, so be sure to read and follow the regulator instructions closely. The main CO2 and regulator valves
must be opened in the correct order.