hth® D.E. filter aid

hth® D.E. filter aid removes particles as small as 2-6 microns. Replacing this media as needed helps ensure optimum performance from your filter to keep your pool water clear.

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About This Item

Replacing this media as needed helps ensure optimum performance from your filter to keep your pool water clear.

  • For all D.E. (diatomaceous earth) filters on pools and spas
  • Removes small particles
  • Restores filter efficiency
  • Compatible with Salt Systems

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Filter Efficiently with HTH D.E. Filter Aid


Filters Small Particles

The HTH® D.E. Filter Aid removes particles as small as 2-6 microns, so the water in your pool stays crystal clear and ready for swimming.

Restores Filter Efficiency

The D.E. powder ensures optimum performance from your filter so you never have to worry about cloudy water.

Easy to Use

The diatomaceous earth works with all D.E. Filters in pools and spas and is compatible with salt systems. Follow the simple instructions to use.


How to Backwash a D.E. Filter


1. Backwash

Shut off your filter system and turn the multiport valve to backwash. Or, if you have a push/pull valve, open your backwash gate. Turn the system back on and let the water flow out of the backwash valve or port.

2. Rinse

After about two minutes, shut off the system again and turn the multiport valve to rinse and turn the system back on. Or, if you have a push/pull valve, run the system for an extra minute. Then, turn the system off one more time and turn the multiport valve to filter or shut your push/pull valve.

3. Add D.E. Powder

Turn your system back on and add HTH® D.E. Filter Aid. Make a slurry of about 1 part Filter Aid with about 10 parts water – and pour it slowly into the skimmer nearest to the filter. The solution looks like milk.


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