re: Canuckgal's Struggling 400w Coco Closet Grow
i cant really comment on watering the plants with fizzy water, but as long as the water is just water and carbon and no sugar or additives then you can use it as a foliar fed, i cant see it making a huge amount of difference but it would do slightly more than regular water, i would not water the soil with it though, id use it as a spray so that the carbon is released around the leaves, cuz when you spray it it would be fizzy, so this would then release the carbon in the water and the leaves would take this in, im not sure how it would affect the plant if it was put in the soil or growing medium so i cant comment, maybe someone else can, if it would improve the grow then id give it a try myself, but the roots need oxygen not co2, the leaves take the co2 and produce oxygen, but i do know that roots prefer oxygen and this is what keeps the roots healthy, so im not sure how co2 would affect the roots or the plant if it was fed via soil or other mediums, but i think spraying the plant would be more of a benefit, how ever having water on the leaves when the lights are on can and does burn the leaves and or buds, i know cuz i done it to one of my plants, and as these plants only take co2 with the lights on then i can see it been a problem, unless the lights where raised or the plants moved far enough from the lights to stop the plants getting burned, then put them back under the lights when its dry.
ill try and find out if it can be fed with fizzy water, ill let you know what i find out, as i spray i have heard people giving it a try, but as a feed for the roots im not sure and not come across that method, ill have a look around, if it does make a difference then i would try it, i might even get a bottle just to give it a try, worse case i lose a plant, but it might improve the grow, ill pick a bottle up when i go shopping tomorrow and give it to one of my plants im not to bothered about losing, im sure ill soon find out if its good or not, the problem is the water loses its fizz pretty quick so most of the carbon would be released into the grow room and onto the floor, so not sure how much would reach the roots or even if the roots would benefit from it
with the grow! 
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