HYDRO333 said:What about pellite guns, they use that small metal bottal type co2 wat if you just use that some how, just was wondering.
paul1976boro said:I totally disagree with the last post. Carbon dioxide and water are needed for photosynthesis to take place and obviously light is needed for the energy to convert these things into food for the plant which is then stored(storable starch). If there is a limited amount of carbon dioxide then this will limit the amount of photosynthesis that takes place. I only had a 1m x 1m grow tent so 2 little boxes were enough, if you have a big grow then a CO2 cannaster would probably be needed. Like he said though good fresh air is probably good enough though.
Many thanks Paul
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