- 1). Rinse the pool with the hose to push all loose dirt and debris to the bottom. Remove the hydrostatic plugs, allowing the pool to drain, and then sweep the debris into garbage bags for easy removal.
- 2). Soak the pool walls. Remove the hose nozzle so the water can flow freely out of the hose. Lay it over the pool's edge, and move it around the pool every couple of seconds to soak the entire pool. Put on all safety gear.
- 3). Make the acid wash solution by pouring the water into the large jug, and then pouring the acid into the water. Always pour chemicals into water just in case of a splash, even though you have goggles on. If anything, the water will splash upward and not the chemicals.
- 4). Put the funnel in the top of the can, and pour the solution into it.
- 5). Lightly pour the wash down the walls in sections. Working in small sections allows you to monitor how long the wash sits on the wall. Only let it stand for 30 seconds, then rinse it off with the hose, and move on to the next section. Repeat until the entire pool has been acid washed.
- 6). Pour the soda ash into the sudsy puddle in the base of the pool to neutralize the acid. The acid wash will have formed a large puddle of acid suds by the main drain, so you need to neutralize it before draining the pool. Stir it with the pool brush until it is no longer sudsy. You will now be able to let it drain out into the normal pol drainage system.
- 7). Drain the pool by opening the main drain, and then rinse it out with the hose with the drains open. Plug the drains and refill the pool.
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