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Slate Counter tops ... any ideas on removing white water spots?

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Talked into absolutely beautiful green slate countertops, must have been the kitchen designer who has never had a slate countertop.

I have white water spots that I can't seem to remove.

They have a honed matte finish, oiled and then done all over again (in an effort to remove the spots).

Any suggestion appreciated.

TIA

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  1. Wish I had an answer, but I'm in the same boat... I love the look of them, but the water spots are driving me mad. They were sealed when installed, not quite a year ago, but obviously not well enough. (I think we were supposed to add another coat or two, but it wasn't clear and we were sick of not having a kitchen!) I'm going to break down and call our guy tomorrow -- will let you know what I find out, OK?

    2 Replies
    1. re: chinitav

      I had the same problem with a light coloured granite, except it was an olive oil stain. We used a special paste like product from Dupont and it removed the stain. I don't know if that helps since we're talking slate vs granite. If you are interested I could get the exact product name.

      1. re: ios94

        Would love to know the product name. Our counter guys came back in late August, told us they'd been sealed with the wrong stuff, stripped them with denatured alcohol and then added ... Old English Oil -- which I know is not right either. It did not solve the problem. I think they're going to have to hone ours down at some point, but I can't stand the thought of being kitchenless again.

        Despite the fact that the company we worked with has been around forever and has a great reputation, they obviously know nothing about slate countertops. I wish they'd just told me that - we'd have gone elsewhere. Grump.