Hello peeps
I use dry ice alot cause I get it free About 5 lbs. twice a week.put it in a milk jug cut the top off drop in the dry ice and about 3oz. water and sit it by the fan.I all so mist the plants with club soda just before lights out.I do that with the dry ice too.My plants love it and I know I'am not given them to much co2
Are you useing cfl or HDI? I grow under cfls for clones & 3 or 4 weeks veg and flower under HPS.