How To Paint and Acid Wash A Swimming Pool – Part 1 of 3 – Acid Washing The Pool. Host Tim Casey shows you how to properly and safely acid wash your swimming pool to prepare for painting. Be sure to see Part 2, which covers Repairing Cracks In A Pool Wall, Step and Deck and Part 3, which covers the actual Pool Painting Process. Produced by Poolandspa.TV for Poolandspa.com.