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Sand Filter Media Level

The top of the sand or Glass Media in a sand filter should be about 10" from the top of the filter.  This is approximately where the filter starts to curve inward.  Filter media is gradually lost through the backwash process.  Check the level of the filter media regularly to see if topping off is needed.  Also check for irregularities in the media which might indicate channeling of the media or broken laterals.

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