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Title: Works like a charm
Review: My hot water dispenser (Zojirushi) had a lot of water deposit buildup. Citric acid to the rescue! I poured about 3/4 cups of citric acid into the water inside. Stirred it thoroughly then boiled it. Waited an hour. Then I dispensed all of it so that it went thru the tubing. The leftover smell after it was empty wasn't appealing so I refilled it with plain water, boiled it and dispensed it all again. No more smell or buildup. I also used it on my son's sink which had lots of buildup and soaked it for an hour. Buildup all gone. Worked also on all the toliets in the house. I keep it stored in a container to keep it fresh. Some of it was a bit clumped but only a tiny amount. See my photos. Really worth the money.
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