Everyday I look out the window into the backyard and see a clear sparkling blue swimming pool. Even during the winter, its aesthetic qualities lend a feeling of refreshment and relaxation. A covered pool can often mask the need for maintenance and chemicals. Any dust or dirt left to sit on a plaster surface for very long will leave a permanent stain that would require an acid wash to remove. To prevent dust build up a pool should be brushed weekly. Plan some time every week and brush the dust to the drain so it will be sucked up into the filter. This will prevent dust build up and stains in your beautiful pool.