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Where to buy Hydrogen Peroxide(10-30%) these days?

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TheAmmoniacal:
To remove "mold" on silicone just use household bleach (2-7% sodium hypochlorite), the only clue is that it needs 12-24 hours of contact (overnight). Soak some toilet paper or tissue in bleach and leave it on the mold overnight. The silicone will become white as new with no signs of rot/mold.

DrG:
Concur on the household bleach approach. MSDS here https://www.thecloroxcompany.com/wp-content/uploads/cloroxregular-bleach12015-06-12.pdf

I would add that I have used a mixture of bleach and sodium bicarbonate (baking soda) to form a thick paste which can be easily applied. The baking soda has no appreciable cleaning effect here but is a "holder" for the bleach - others have mentioned tissue paper for the same idea. After application, strips of plastic food wrap (Saran wrap type stuff) can be placed to prevent drying out. You can determine how long to leave it applied, but the few times that I have had to do this, 1-2 hours has worked fine.

S. Petrukhin:
Hydrogen peroxide is sold in cosmetics, if I'm not mistaken, to lighten hair. It can be made from tablets peroxide, which is sold in the pharmacy. To destroy mold, you can use tablets of the antibiotic furatsilin. But it is impossible to defeat mold, it will reappear - this is one of the most stable forms of life.

tom66:
I've never had any problem removing bath/shower mold using ordinary mold remover,  but the secret seems to be to spray it on and leave it on far longer than the manufacturer suggests - 10 minutes is nonsense, try more like 4-8 hours.  Rinse and reapply until the mold is gone.

coppercone2:
that solution is going to stink like crazy. bleach really burns your nostrils

I recommend the hydrogen peroxide cleaners in general over bleach, but they have been perpetually out of stock since this pandemic began. For most things the formula sold in h2o2 bleach replacements works fine for tiles and stuff with much less side effects from chlorine.

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