# \#support

**URL:** https://community.anovaculinary.com/tag/support/76.md

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## [Descaling Questions Anova Oven](https://community.anovaculinary.com/t/descaling-questions-anova-oven/28742)

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**Author:** [@oldguy](https://community.anovaculinary.com/u/oldguy)\
**Replies:** 25\
**Last updated:** [January 12, 2022, 7:57pm UTC](https://community.anovaculinary.com/t/descaling-questions-anova-oven/28742 "2022-01-12T19:57:58Z")

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I am wondering …Does the Descaling light go on because of a count down steam Hour Use or Is it some how actually using some type of Calcium detector? The reason I ask, if one only uses Distilled Water is Descaling Neces…