Limestone Cleaning HELP102

Here is the after cleaning

pic. It would only let me load 1 pic at a time.

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Looks a lot better. How strong a mix did you use? and dwell time. Looks like you just need to hit those top edges and in the upper middle another time. Probably only need about a 2.5-3% mix. Let dwell about 10 min and see what happens. Pre wet the letters

Hey neighbor, Iā€™m out in Arlington/Mansfield

Looks better, bring some black paint to touch up where you hit the Ort in orthodontics!

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