A really cheap and nasty way to create co2 is to put brewers yeast 1 table spoon sugar one cu into a to litre bottle add water, put a ballon on it and put a pin hole in the ballon will slowly in flate as co2 is released just shake every day
ringo420 Reviewed by ringo420 on . Co2 revisted I've done a search and read many threads on Co2. Unfortunately, money is tight right now and also I can't find the thread I was reading (newb):thumbsup: . Could someone counsel me on a cheap way of adding co2 until I have enough cash? Here is some facts about my setup: 1. 10 plant drip system (Rockwool, nutrients etc.) 2. 400 HPS and a 65/500 Flourex flood light (first light i bought.went cheap on light I know, then realized I needed HPS 3. Grow space is a closet with a door on each end Rating: 5