For an operation that large, you want to go with a CO2 generator that you can hook up to your homes gas system. A lamp won't cut it, CO2 tanks will but you'll need a few of them.
RoundEye Reviewed by RoundEye on . CO2??? Flowering Now/ Temp Problem I have 47 PK plants growing is Sunshine Mix # 4 with 1/2 bag Peat Moss and 2 bags Perlite added. I use Safers Fish elusion and Mari cal Grow 20-20-20 . Lighting is 2 1000 lights. Plants are now 5 weeks old and are doing real well. I am putting them into 12/12 today. Is it to late to use CO2. I have taken 170 clones and the clones are doing OK.????? Should I introduce CO2 now, or forget it and wait until I plant the clones and start new grow.??? If I was to use CO2 I would use Coleman Camp Rating: 5