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Pool Filter Sand Channeling

Seasoned pool operators know the triad of great pool water: filtration, circulation, and chemistry. Filter channeling is a problem that undermines the efficacy of sand filters. Let's learn what channeling is and what can be done to fix and prevent it.

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Backwashing Sand Filters

What is Backwashing?

A stunning number of pool operators ask us about backwashing. Of all the topics in pool operation, one would think backwashing is fairly straight-forward. When the pressure in the filters gets to a certain point, backwash. Right? Well, as it turns out, that's not what pool operators—especially inexperienced ones—ask us. It's not about 'how' or 'when' to backwash. It's more like...

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