lamp light = 1800ppm - 1300ppm
Flowering = 1700ppm - 1800ppm
down light = 2000ppm - 1320 ppm
sun light = 1700ppm - 1120 ppm

Variant!
Breeder Reviewed by Breeder on . anyone using co2 in there grow tent? need help my tents 150 sq ft and im using 2 air cooled HPS with a 48w LED, and im using deepwater culture and fogponics to feed the ladies.anyone know how much ppm i should keep my tent at? Rating: 5