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How to operate your sand filter

Home >> Tutorials >> How to operate your sand filter
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A few tips before you get started:

  1. Always shut filter off before moving valve handle. (Valve handle will be seriously damaged if you do not.)
  2. Always backwash filter immediately after adding new sand to the filter.

Starting the filter

Before plugging in filter, turn valve handle (located on top of filter) to the backwash setting. Water will begin to flow out of the backwash port plug in filter briefly until water begins to run clear. (if you need to send backwash water a longer distance, backwash hoses are available in 25, 50, 100 & 200ft lengths). Unplug filter, turn valve handle to filter position and plug in filter. You are now filtering your pool water.

sand-1Please note: Pressure reading on pressure gauge, will be between 6-12 psi. This initial pressure will be your normal operating pressure. When water return flow becomes weak or there is a surge in the pressure gauge reading it is time to backwash.

What is backwashing?

Backwashing completely clears filter of all dirt & debris by reversing the flow of water through the filter. To backwash, simply unplug filter and move valve handle to the backwash position. Then plug in filter and let water run until clear. When water runs clear unplug filter, move valve handle back to the filter setting, and you are ready to filter again.

How long should filter run each day?

Your new filter will turn over 2400 gallons per hour. It is recommended that you turn over the water in your pool at least twice a day (refer to chart at bottom of page for your pools capacity). Run filter more in hot weather or with heavy bather load.

Please note: Pool calculations below have been rounded off to be used as a quick guide for easy pool maintenance. For exact calculations please use the pool volume calculator.

Pool Capacity Cheatsheet

Poolsize Round Capacity (Gallons) Poolsize Oval Capacity (Gallons)
10 Round 2,000 8x12,8x14 3,000
12 Round 3,000 8x19 3,500
15 Round 5,000 10x15, 10x16 3,500
18 Round 7,500 10x21, 12x18 5,000
21 Round 10,000 12x24, 14x20 7,500
24 Round 14,000 14x25, 15x24 10,000
27 Round 18,000 15x30, 16x26 12,000
30 Round 21,000 16x32 15,000
18x33 19,000
Pool Volume Calculator Please click here to use our easy to use Pool Volume Calculator if you don't see your pool size listed above.

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