i mix it with my flush and my nutes.
i grow in soil too. i mix 5 ml to a gallon, what do you mix yours at?
fiddyonefiddy Reviewed by fiddyonefiddy on . hydrogen peroxide hi all, i have a question about adding hydrogen peroxide to my grow. its in soil and i know how much to add but can not find how often to do it. thanks sharon Rating: 5