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After an acid wash, the surface of the pool is very rough.

What should I do to smooth it out?

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Traditionally: Slap on a fresh coat of pool paint and let that provide the smooth surface.

(I grew up with a concrete-and-plaster pool. Our ad-hoc experience was that removing as much muck as possible from the bottom, shock-treating the heck out of it, starting the filter and getting the chemistry rebalanced seemed to be effective enough that we could skip the empty/acid-wash/refill cycle some years. I'd appreciate commentary from someone who understands the chemistry of the paint and plaster well enough to tell us just how unreasonable this was.)

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thx. trying to avoid painting it, since once you paint, as far as I understand, you have to repaint every two years. – tolitius Jun 4 '14 at 13:21

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