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What is the correct dilution for Clorox to remove mildew from outside
clapboard on a house? Thanks Greta -- All outgoing mail has been scanned for viruses by Norton 2003 |
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On Mon, 30 Jun 2003 00:34:35 GMT, "Greta"
<sareknotrash-gmc@worldnet.att.net> wrote: >What is the correct dilution for Clorox to remove mildew from outside >clapboard on a house? >Thanks >Greta Not more than a cup per gallon of water. The mix should have some detergent added. |
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Hi Gretta
In the neighborhood of .04% sodium hypochlorite. Using Clorox, you can no longer go by the 1 cup per gallon rule of thumb as Clorox sells both 3% and 5% sodium hypochlorite. Often the off-brand versions are greater than 5.15% sodium hypochlorite and cost much less! Then follow-up with a washdown using 'Soilax' or non-sudsing detergent. Use algicide in your primer and in your paint on Northern exposed surfaces. TTUL Gary |
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In article
<vALLa.27973$3o3.2111763@bgtnsc05-news.ops.worldnet.att.net>, "Greta" <sareknotrash-gmc@worldnet.att.net> wrote: > What is the correct dilution for Clorox to remove mildew from outside > clapboard on a house? > Thanks > Greta Let me be the first to apologize for Phisherman and Gary. Everything's a joke to them. The traditional mixture for exterior walls, recommended by Sherwin-Williams and the North Carolina Extension Service, is 1 part bleach to 4 parts water. That would come out to 1.05% hypochlorite with the old 5.25% bleach and 1.2% hypochlorite the new 6% bleach. I like to add 1/2 cup of baking soda for each cup of bleach. That makes the bleach stronger on mildew but milder on skin and clothes. Soda also lets you get good results with a more dilute bleach mixture. -- Best Regards, Lloyd |