Pool Systems Introduction: Difference between revisions
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===Maintenance=== | ===Maintenance=== | ||
Periodic back-washing is required when filter tank pressure exceeds a threshold. | Periodic back-washing is required when filter tank pressure exceeds a threshold. PHTA recommends back-washing when a single gauge pressure reaches 8-10 PSI above the starting value (typically 10 PSI). The backwashing procedure is described [[Backwashing|here]] | ||
The filter sand should be replaced every 5-10 years. In a marcite pool, the filter sand should be replaced following the cure period of a new marcite coating (as the process releases a large number of particles, clogging the sand filters). | The filter sand should be replaced every 5-10 years. In a marcite pool, the filter sand should be replaced following the cure period of a new marcite coating (as the process releases a large number of particles, clogging the sand filters). | ||