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I havn't made the bubbler yet but i think i will now but instead of using just the oxygen generator i will use an airpump aswell and try leaving the oxygen generator on a timer to come on for an hour or so every 2 or so hours, would the hydrogen harm the roots when that was bubbled through or not i know the mix is more explosive with hydrogen but this would be in it's own grow box with an extraction fan that would also be timed to come on at the same time as the generator as it's easier to have both gases coming out of one hose instead of individually and also then both the hydogen and oxygen are both being vented outside
cheers
mat
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