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Old 09-20-2019, 07:03 PM
Doug D. Doug D. is offline
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Join Date: Mar 2012
Posts: 5,830
Default Re: Potassium Hydroxide?

Originally Posted by J Mills III View Post
Checked the Ace Hardware here in Central Texas, and the Rooto had no list of ingredients by name and %, but apparently contained a high percentage of concentrated sulfuric acid!!, as that was mentioned in two different places on the label, in large red letters on the label. BE CAREFUL!
Rooto "Professional Liquid Drain Opener" is sulfuric acid based, and is not the product referred to here or on the website.

Rooto "Household 100% Lye Drain Opener" is a crystal product. Warnings on the back panel state it contains "Sodium Hydroxide (Caustic Soda,Lye)".
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