White haze on new Arizona Buff Flagstone Patio

Our landscaper just installed an addition onto our patio. We used AZ Buff Flagstone set in concrete. Even though he has acid washed and power washed the new area, a white haze still exists. Do you know what causes this? What can we do to fix it. It would not be a problem except the addition now looks very different from the older part of teh patio.


Thank you.

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Thanks
by: Anonymous

Thanks for everyone's advice. We will keep trying.

surprised
by: David

We also get a gray haze from sponging the cement into the joints. However, it comes off after we use a solution called 600 Detergent from Prosoco.

Your contractor used an acid wash and that should clean the haze off as well. However, with acid it can burn real easy and that's why we don't use that.

I really don't have a good answer. You should give Prosoco a call at 1-800-255-4255. They should have a chemical to clean off the haze.

Great luck!

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