Actually I forgot where I read it, but it was on some website. I picked up one of those humidity bubblers from a petstore and it was perfect. Container sealed up nicely, had a large opening, and the cap had two nipples for multiple hoses. I think it was only like a few bucks. But a gallon milk container is cheaper still.
sawleaf Reviewed by sawleaf on . Homemade CO2 production I know the importance of CO2 in the grow room and I knew having extra would be a good idea but I never wanted to spend the money to get a system to make extra CO2, but today I read a cheap and easy homemade way to get extra CO2. All you do is take a gallon jug like say a milk carton and fill with a pound of sugar and mix enough water in to dissolve all the sugar. Then put yeast in there and cap it off. Lead a tube from the cap of the container to your plant area and you have your own Rating: 5