by Rob Cox August 08, 2014
Acid washing a plaster pool is necessary when returning a pool to normal operation, after years of neglect.
An acid wash is a purposeful stripping of a thin layer of plaster, to expose the fresh, unstained plaster beneath.
When pool plaster is very stained - it's necessary to use a lot of acid, and a lot of elbow grease to remove the stains, often requiring pouring the roughly 50% diluted acid on the walls several times.
When acid is poured on plaster, it immediately goes to work, bubbling and gassing, in a hideous dark yellow color. The fumes are strong, breathing and protective gear is necessary to prevent breathing in the mist or getting it in your eyes.
Here's the main point of today's post. If you are ever going to acid wash your pool, protect your plaster by avoiding these Acid Washing Pitfalls:
And, here are pictures to prove it!
The solution to this problem? Use a grinder to smooth it out - partially. But it's best avoided in the first place. Pool plaster is only about half an inch thick.
To avoid burning your plaster, creating rough spots - try this instead: