assuming your regulator has a cu. feet hour scale
1. Measure and multiply: length x width x height of your grow room to calculate the volume of cubic feet
2. Generally, the c02 level in a grow room is 300 ppm. To bring your room to an optimum level of 1500 ppm, you will need to raise the c02 by 1200 ppm.
3. Multiply your room volume by 0.0012 (1 200 ppm = 0.0012) to determine how much c02 to add to your grow room.
EXAMPLE: a 10\' x 8\' x 10\' room:
1. Volume= L x W x H
volume= 10 x 8 x 10 = 800 cubic feet
2. 800 cubic feet x 0.0012 =.96 cubic feet-- you can round this to 1 cubic foot. You will therefore need to add 1 cubic foot of c02 to a 10 x 8 x 10 grow room to bring the c02 level to 1 500 ppm.>
set your regulator to 10cuft hour
and have it come on for 6min to get 1cu ft for a total room PPM of 1500
you need to vent and re dose the room every hour. during light.