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Killing mildew in bathroom natural stone?
Posted on 12/2/18 at 6:50 am
Posted on 12/2/18 at 6:50 am
I have a bathroom shower with natural stone, and I remove the caulk, bleach or a similar chemical hard, then re caulk yearly. The mildew comes back biggly in well under a year in the caulk. This is the GE white silicon “10 year” bathroom caulk or whatever that’s supposed to be anti mildew.
Once’s it’s in the caulk it doesn’t come out.
I didn’t install the natural stone and I know to a degree it’s just life with it and is a poor choice for wet environments.
But any suggestions?
Once’s it’s in the caulk it doesn’t come out.
I didn’t install the natural stone and I know to a degree it’s just life with it and is a poor choice for wet environments.
But any suggestions?
2
Posted on 12/2/18 at 6:56 am to baldona
Use a caulk that's a similar color as mildew.
Seriously.
Seriously.
Posted on 12/2/18 at 7:05 am to Chuker
quote:
Use a caulk that's a similar color as mildew.
Seriously.
Ha. I’ve never considered this. Not sure my wife would allow anything but white or clear. I have been using white and I agree that’s part of the issue, it shows too easily.
Posted on 12/2/18 at 8:02 am to baldona
quote:
wife would allow anything but white or clear.
then sounds like she needs to figure out how to keep it from getting mildewed.
I used dark grey silicone in both my showers after the remodel. They might be mildewed as a mofo but I can't tell.
Posted on 12/2/18 at 10:52 am to Chuker
quote:
then sounds like she needs to figure out how to keep it from getting mildewed.
Well that's what I was asking for in my OP. I think what happens is that the natural stone is porous and thus no matter how well you clean the outside, there's basically always microscopic amounts of mildew/ mold deep in the pores. I can't find anything that will kill it down deep.
So even after cleaning them thoroughly and replacing the silicone, it comes back with a vengeance through the Silicone rather quickly.
Posted on 12/2/18 at 11:00 am to baldona
Not sure about natural stone, but mineral spirits on a rag takes care of mildew easily on caulking with a light scrub.
This post was edited on 12/2/18 at 11:03 am
Posted on 12/2/18 at 11:44 am to baldona
quote:
natural stone is porous and thus no matter how well you clean the outside, there's basically always microscopic amounts of mildew/ mold deep in the pores
I think thats exactly whats happening. Except that even if you are able to kill the mildew before applying more caulk, because the stone is porous more spores will creep its way under the caulk. You may have even be killing all the spores but the aforementioned is what is happening.
Scraping out old caulking and replacing is such a pita that I would do what ever its takes not to have to do it.
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