Question 1

Can I use Durgol universal descaler  to descale  my Keurig coffee machine

Accepted Answer

Yes, this can be used to descale a Keurig coffee machine. Please refer to the instructions in your owner's manual for the process to use.

Question 2

Can this product work on glass shower doors?  If so, what is the process?

Accepted Answer

I’m using it for a coffee machine. There’s aProduct  at Home Depot made for shower doors. Look at decalsifiers online

Question 3

will this work on oil rubbed bronze shower heads?

Accepted Answer

Yes, I have bronze shower heads ( don't know about the oil rubbed part ) and soak them for about an hour in a 10 to 1 mix. Then use a soft tooth brush & pipe cleaners to remove the mineral deposits. About once a month does the trick.

Question 4

What are the main ingredients in the descaler?

Accepted Answer

The active ingredient is sulfamic acid.  Sulfamic acid has no relation to hydrochloric acid (as another answer stated—allegedly regarding European versions of the product).  Hydrochloric acid is much cheaper, more corrosive, and more dangerous.  When compared to most of the common strong mineral acids, sulfamic acid has desirable water descaling properties, low volatility, and low toxicity. It forms water-soluble salts of calcium, nickel, and ferric iron.  Changing the lime-scale inside of a coffee maker into “water soluble“ salts of calcium nickel and ferric iron allows them to be washed out of the inside of the coffee maker after treatment.

Sulfamic acid is preferable to hydrochloric acid in household use, due to its intrinsic safety. If inadvertently mixed with hypochlorite based products (“bleach”), it does not form chlorine gas, whereas the most common other acids would.

Asin	B076D99C1B
Best Sellers Rank	#65 in Coffee & Espresso Machine Cleaning Products
Date First Available	October 11, 2017
Item Model Number	0298
Manufacturer	Durgol
Product Dimensions	3.65 x 2.4 x 9.6 inches; 1.58 pounds

Universal Multipurpose Descaler/Decalcifier - 25.4oz

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