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Gleaming the View

Oak leaf stains on driveway?

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Tim - Jeff is right on as usual...a strong mix of 12.5% works REALLY well. I just used some on a driveway that was badly stained by oak leaves and it worked great.

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One time we were out cleaning a driveway, and tried bleach. Now bleach works on many things, but it is not always the bullet. Tannin stains can be easily removed with oxalic or citric acid (or a blend thereof). Keep some acid with you, and if the bleach doesn't do it, try your acid.

Beth :cup:

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One time we were out cleaning a driveway, and tried bleach. Now bleach works on many things, but it is not always the bullet. Tannin stains can be easily removed with oxalic or citric acid (or a blend thereof). Keep some acid with you, and if the bleach doesn't do it, try your acid.

Beth :cup:

One problem with using acid is that it tends to brighten concrete, so if used on spots, you'll have bright spots. No problem on newer concrete, but could become an issue on anything else. (Unless, of course, you spray the whole drive.)

I have always had great results with downstreaming 12.5%. Give it a few minutes, re-apply if needed, touch-up with stronger if needed.

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One problem with using acid is that it tends to brighten concrete, so if used on spots, you'll have bright spots. No problem on newer concrete, but could become an issue on anything else. (Unless, of course, you spray the whole drive.)

I have always had great results with downstreaming 12.5%. Give it a few minutes, re-apply if needed, touch-up with stronger if needed.

That's a great point, and of course regardless of what you clean with, you can end up with clean vs dirty areas, so evening it out and making sure the whole area looks good should always be the goal. Always give the best results you can for your efforts, and you'll get repeat business. :) Remember you are going for curb appeal, and this is the first area they see when they drive up.

Beth :groovy3:

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