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Unread 08-21-2018, 02:38 PM   #41
Veteran DIYer- Schluterville Graduate

STAR Senior Contributor

Join Date: Jul 2004
Location: Nashua, NH
Posts: 13,626
FWIW, while spray from your shower (and not much typically gets to the ceiling) would have minerals in it, steam does not; they get left in the bottom of the steam generator or flushed down the drain. Water droplets from steam are essentially distilled water. A water fog from a shower head does contain minerals, but real steam from a steam generator does not. Steam is can only see the water when it condenses, but that doesn't 'add' minerals back into it.
Jim DeBruycker
Not a pro, multiple Schluter Workshops (Schluterville and 2013 and 2014 at Schluter Headquarters), Mapei Training 2014, Laticrete Workshop 2014, Custom Building Products Workshop 2015, and Longtime Forum Participant.
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