The pH test in the Taylor K2006 kit is accurate with chlorine levels up to 10ppm, so your reading is fine.
Whether or not your chlorine level is too high at 10ppm depends on what your CYA reading is. But, even if it is too high, there is really no way to lower it. Have a look at the Best Guess chart in my signature. Find your CYA level in the chart and see what the recommended range is for your chlorine. Or, look here (same chart): http://pool9.net/cl-cya/
By the way, will you please update your signature to add the fact that you have a K2006 kit? You can do so by clicking on the link in my signature below or by going here: http://pool9.net/edit-sig/ Thanks!
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