Some of the food grade H2O2 comes in 35%, and you have to dilute it down with distilled water.
3% H2O2 is good for room air humidifier.
1.5% if you will be directly inhaling it.
The water MUST be saline or it’s dangerous!!
I used 3% food grade in my saline water with 2 drops of 2% Lugol’s iodine.
https://deeprootsathome.com/dr-mercola-nebulized-peroxide-the-single-most-effective-early-strategy/
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