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i wanna use hydrogen peroxide in my system how much should i use i have hydrogen peroxide 6%
can someone give me an idea something to start with
and don't tell me about 35% the country i live in don't even sell bread to begin with lmaoo jk jk jk
i am going to buy a meter for my hydroponics stuff and the meter description says the ppm goes from 0 ppm to 10.00 ppt and also what does ppt stands for ? part per thousand or part per trillion
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