Sand swimming pool filters use special silica sand as the filter medium. Rather than being smooth and rounded,filter sandis rough and square-shaped, which allows it to trap dirt and debris particlesas small as 20 to 100 microns(a micron is one-millionth of a meter) in the filter tank. Di...
failure to perform ALL of the regular maintenance procedures that Clearstream requires for their system including, for example: clean the aerator filter every 6 months to 2 years break up scum in the clarifier every 6 months to 2 years pump sludge from the aeration tank every 2-5 years pump...
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