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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!
i know of one way, exhaling!
make a 2 litre solution of sugar, warm water and a brewers yeast tablet, available at home brew suppliers. place the open container in your grow space and replace weekly. as it ferments the solution will produce half the volume of sugar consumed as gas. another way is to mix vinegar with baking soda, which froths up releasing CO2, you'll need about a teaspoon of soda repeated a couple of times a week.
thanks man much appreciated
you could burn a candle but thats really unsafe to leave a candle on all day. Holding your breath for a long time and releasing it is the cheapest possible way. even though we breathe out more o2 than co2, its still good.
dry ice
in the morning i go get 10 lbs dryice ,shut all my fans off ,set bowl of hot on shelf above plants,be careful ice will give you burns
can anyone tell me what ppm's for CO2 are optimal?
bicarbonate soda and vinger
1500ppm is best , normal air is roughly 900ppm. also u can try a product called no mercy co2 tabs. cheap and give great results.