any co2 is likely to help
klondike_bar Reviewed by klondike_bar on . White Vinager & Baking soda makes co2 I learned this after a friend got busted buy a canister of co2. It works so well I'd like to share it. White vinegar $1.87 per gal. 2Lb. baking soda $1.00. So $2.87 makes a bunch of CO2 I can't tell you how much . I was absent the day they taught us that in school. You can use just a bucket. Pour in about an inch of vinegar into a clean bucket now throw in a few teaspoons of baking soda. BANG you have co2. It's really hard to give your plants to much co2. I go thru about a gal. of vinegar and Rating: 5