These new odor neutralizing cfls that have come out are said to release co2. theyre pretty cheap
dutch.lover Reviewed by dutch.lover on . Any1 know the best way to make C02 who knows the best way to make C02 using household stuff on a budget all opions and thoughts appreciated thanks :) My plants are about 29cm's i think thats about 14inches not too sure, there 6weeks old. I wannaincrease the c02 to help them grow ! :D Thanks! Rating: 5