a bar is a measure of c02 per square inch over time. in other words it measures how much c02 is being pumped out of your tank. How powerful the spray is. this is a factor because when using a timed method you need to measure the pressure at which the c02 is being emitted. it should say on your regulator. plug that into the equation.
JeffersonBud Reviewed by JeffersonBud on . c02 light cycle questions About to implement co2 into my room with a regular - I prefer to not burn the gas in the extra bedroom. I tested out what my temps when all exhaust\air cooling ventilation is off and it took over 30 minutes to rise over 85. Right now I am vegging and the lights are off from 1PM to 8PM. I want to switch it to them being off from noon to eight instead...does switching their light cycle by an hour during veg stress them at all? I've done it in the past with no problems but I'm curious about Rating: 5