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Getting rid of mould stain?

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  • Nov 20th, 2019 2:08 pm
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[OP]
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Jul 17, 2008
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Getting rid of mould stain?

Can anyone suggest how to get rid of these mould stains? I used mould control from home depot and dabbed it into a sponge, but can't seem to erase it. I also seem to be destroying the ceiling texture as you can see

Any suggestions? I don't want to further damage my ceiling texture
P_20191112_213510_vHDR_Auto.jpg
5 replies
Deal Addict
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Oct 9, 2010
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Windsor
Muriatic acid will do it, but probably will eat the paint as well. Bleach should work; spray it on, leave it for a few minutes, dab it away ... repeat.
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Deal Guru
Feb 9, 2006
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Brampton
The leak is fixed right?
I hate textured ceilings, you'll never fully get the stain gone.

To remove it you'll need to mist it a bit with some bleach slowly overtime as not to over saturate the texturing, if you do it'll fall off.
[OP]
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Jul 17, 2008
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There was no leak. This is in the garage where the humidity was going up like crazy during winter. I had 80%+. So mould formed in a few places. This winter I already have a dehumidifer in place which I turn it on as soon as I see humidity going over 60%. But now I'm trying to get rid of the stains :(

So is the consensus try bleach in a spray bottle and spray it a little over time while I dab it each time with a sponge?
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Aug 12, 2007
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Waterloo
Messerschmitt wrote:
Nov 14th, 2019 6:34 pm
There was no leak. This is in the garage where the humidity was going up like crazy during winter. I had 80%+. So mould formed in a few places. This winter I already have a dehumidifer in place which I turn it on as soon as I see humidity going over 60%. But now I'm trying to get rid of the stains :(

So is the consensus try bleach in a spray bottle and spray it a little over time while I dab it each time with a sponge?
What youre saying doesnt compute. and that looks like a leak stain. a mould strain would be all over not just in the corner. Maybe you have a heat leak ( uninsulated to the outside )in the corner?
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[OP]
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Jul 17, 2008
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It's a good chance it is a heat leak yes, and possible insulation problem. But it hasn't been a problem in growing since i control the moisture in the garage with a dehumidifier. I'd like to know how to get rid of the stain without destroying my ceiling texture

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