CO2 Secrets
I'm sure most of us know the benfits of CO2 supplementation, but some of the new growers may not realise how easy it is to supply. Usually when starting out, growers seem to ignore this vital gas, due to the initial outlay of decent equipment (which has got cheaper over the years admittedly).
Since the right amount of CO2 can double the yield, it seems a silly thing to ignore...
What cheap solutions have people come up with to solve the problem?
Many years ago, I was told to leave a half empty opened bottle of red wine in my grow room, which was then a cupboard in the bedroom. The wine oxidises, and gives off CO2, change the bottle every few days, or add a bit of sugar to keep the process going for longer.
I kind of developed this idea, so now my grow room is also a brewery. Fermenting wine gives off plenty of CO2, and uses oxygen in the room (that is generated by the plants).
However, I'm not really into alcohol, so I kept thinking.
There are a few soft drinks that require brewing too, ginger beer, dandelion and burdock, etc. These are perfect. Ginger beer is easy. It is a chemical plant, and all you have to do is keep adding sugar. Every week or so, you take half of the yeast that has grown, and use it to make your drinks. Top up with water and sugar, then back in the room.
If you can measure the ppm, then you can adjust the rate it comes out by using a smaller/bigger yeast plant, or more bottles.
I like this system because it is cyclic, so would work well in a sealed room.
Anyone else got any good ideas?
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