# Cleaning a gravestone.

**URL:** <https://boards.straightdope.com/t/cleaning-a-gravestone/660490>\
**Category:** Factual Questions\
**Created:** [June 8, 2013, 6:49pm UTC](https://boards.straightdope.com/t/cleaning-a-gravestone/660490 "2013-06-08T18:49:56Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Bosda\_Di\_Chi\_of\_Tricor](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/bosda_di_chi_of_tricor/32/16845_2.png) [@Bosda\_Di\_Chi\_of\_Tricor](https://boards.straightdope.com/u/Bosda_Di_Chi_of_Tricor)\
**Post date:** [June 8, 2013, 6:49pm UTC](https://boards.straightdope.com/t/cleaning-a-gravestone/660490/1 "2013-06-08T18:49:56Z")

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My parents’ gravestone has moss growing on it.

How can I clean this, without damaging the stone?

Somebody at the cemetery said granite counter-top cleaner “caused problems”, but did not elaborate.

What household cleaners are good?

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**Author:** ![Troppus](https://avatars.discourse-cdn.com/v4/letter/t/a587f6/32.png) [@Troppus](https://boards.straightdope.com/u/Troppus)\
**Post date:** [June 8, 2013, 7:03pm UTC](https://boards.straightdope.com/t/cleaning-a-gravestone/660490/2 "2013-06-08T19:03:15Z")

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This site recommends elbow grease and ammonia. [CT - Leiebiler - Bilutleie Verden og Norge](http://www.ctgravestones.com/Conservation/cleaning.htm)