The hydrogen peroxide you get at 3 % at drug stores has a stabilizer in it and is not food friendly. H2O2 will give up more of it O as the solution heats up. I use 30 % H2O2 and mix 11 water to 1 H2O2 and use that at a rate of 3 mil per Lt of solution. You can have too much O in the solution if added with H2O2 - you might bleach the roots.... H2O2 is great for house plants that have gotten root rot...
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