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What's the difference between, "a few very slight 1/2" dips" and a "a few 1/2" dips"??
The quikrete resurfacer idea is an interesting idea, I'll have to look into that some more...
I had the city tell me today they want a building permit for the tub - at an estimated cost of $800! And that's before the electrical permit. You want to talk about crazy? After hearing that, I'd jump for joy if they had told me ~$250....