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Not knowing the history of the filter I would say disassemble and clean the filter and start with a new recharging of the D. E. using the instructions on the bag of D. E. A good formula to remember is take the filter size, divide by 5 and that will be the amount of one pound coffee cans or equivilent size to add to the skimmer. D.E. is not measured in pounds or ounces for this proceedure. This is done each time you back wash the filter. The breakdown of the filter should be done at least annually.

Ken

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18y ago

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