Certified Pool Operator Training

Certified Pool Operator Training
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How Much D.E. Do You Put In That Filter?

In Tech Talk by Steve DonohoeFebruary 20, 20113 Comments

In our CPO class, when we talk about D.E. filters, we stress that it’s the Diatomaceous Earth (D.E.), NOT the grids, which is the filter media.  We have a D.E. …

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