Filtration
 Physical Factors -> Filtration  |
I. Filtration |
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Filtration is the term used to refer to the mechanical cleaning of pool water.
It is a key element in pool water maintenance that is frequently overlooked in its
importance. When operating properly, a filter will remove virtually all particulate
matter from the water. These particles of dirt and debris are the result of environmental
fallout or are left behind by the bathers and, when not properly filtered out, will cause the
water to become hazy or cloudy. The filter will play a very important role even when cloudiness due to a chemical imbalance occurs. By performing properly in removing most of the cloudiness, a fully functional filter will usually allow the water to remain clear enough for continued use of the pool. This gives the pool operator, service person or dealer time to determine the nature of the problem and take corrective action. Since the pool was reasonably clear in spite of the problem, it could remain in use without a panicked customer or need for drastic chemical adjustments. |
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| There are three types of filters commonly used on swimming pools: |
| * Cartridge Filters |
| * Sand Filters |
| * Diatomaceous Earth (DE) Filters |
While each can be effective in keeping water clean, they require proper maintenance in order to gain maximum benefit and service life. A review of how each works and an understanding of how to handle them will be of value. |