Instead, apply thinner coats as a outcome of they’ll dry sooner and more constantly. Lightly scour the PVC pipe’s exterior by hand with 220-grit sandpaper. Skip the electric sander, as such a device can wear down the pipe an excessive amount of, too quick. Sand in all directions to keep away from straight-line striations that may create an undesirable grooved surface. Be gentle, so you won’t weaken the pipe, but be thorough enough to keep away from creating uneven surfaces.

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