No, but the oder is not strong.

HARRIS 12% Concentrated Food Grade Hydrogen Peroxide, 128oz, for Kitchen, Bath, Laundry, Home and Garden

HARRIS 12% Concentrated Food Grade Hydrogen Peroxide, 128oz, for Kitchen, Bath, Laundry, Home and Garden

Q: How much to use in a half gallon

It depends on what you are using it for. If you are diluting it to 3% then I dilute the 12% to 6% with an equal amount of water, and then dilute the 6% with an equal amount of water to get 3%. OR --- 4 oz of water to 4 oz of 12 % peroxide is 8 oz of 6% peroxide; 8 oz of 6% peroxide mixed with 8 oz of water is 16 oz of 3% peroxide. Most household uses don't call for more than 3% peroxide, but you can figure out what percentage you want and mix it with water accordingly. I keep a "whitening bucket" filled with water, some detergent, about 4oz of 12% peroxide in which I toss my white laundry items - wash cloths, dish towels, socks, bras, handkerchiefs, undershirts, T-shirts, and so on. Anything that needs whitening goes into the bucket and the entire bucket goes into the washing machine.

Q: I want to brighten the surface of a bathtub that has a non-slip coating in areas, which has discolored, will this help?

It works like a bleach. I would mix it half the hydrogen peroxide and half with water. Try a small area and see how it works. Mix only a small amount for the first time.

Q: Can you use this to pour down your drains in the bathroom and kitchen to kill drain gnats?

I don’t know but I have pored it down my drains

4.8/5

Product ID: 630383156

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Details

Brand
HARRIS
Item form
Liquid
Scent
Lemon
Specific uses for product
Grout
Material features
concentrated

🌿100% food grade, no additives

💧12% ultra-concentrated strength

🧴1 gallon versatile liquid format

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Description

✨ Elevate your clean game with 12% power 💧

PURE SIMPLE - No additives or fragrances—just potent, clean hydrogen peroxide
FOOD SAFE FORMULA - Certified food grade, perfect for kitchen surfaces and prep areas
MULTI SURFACE MAGIC - Effortlessly cleans grout, marble, laundry, carpets, and appliances
POWERHOUSE CLEANSER - 4X stronger than standard peroxide for deep stain removal and whitening
READY TO USE CONVENIENCE - Includes funnel to dilute up to 4 gallons of cleaning solution for any task

HARRIS 12% Concentrated Food Grade Hydrogen Peroxide delivers a potent, 4X stronger cleaning and bleaching solution in a 1-gallon, additive-free formula. Safe for food prep areas and versatile enough for laundry, grout, and appliance cleaning, it offers professional-grade power with pure, food-safe ingredients.