Red Sea Turbo CO2 Bio System Question

problem

can any1 tell me how many hrs u got to have the turbo co2 bio system on for ,i turn it off at nite between 12 mid nite and 8.30 in mornning 1st time i bought it not much info in book ,:screwy:
 
can any1 tell me how many hrs u got to have the turbo co2 bio system on for ,i turn it off at nite between 12 mid nite and 8.30 in mornning 1st time i bought it not much info in book ,:screwy:
How big is your tank? If you are worried about gassing your fish I would turn it off when the lights go off and then turn it on a couple of hours before you turn on the lights. When I used yeast for co2 I ran it 24/7 with no problems
 
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