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Thread: Never Backwashing?

  1. Back To Top    #1

    Join Date
    Feb 2012
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    Maryland
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    Never Backwashing?

    Ive read that you should backwash once your pressure rises 5 psi above normal.

    My pool was finished an opened the first of July. My pressure has not risen even 1 psi since them.

    Is it normal to not have to clean for over 2 months?
    DIY 18x36 IG Vinyl Rectangle with 2 foot radius; Steel Walls. 8' steps w/t 2 step jets; 2 MD, 1 Skimmer, 2 returns; Hayward Pro Series 24 Inch 300# Sand Pool ; Hayward color logic 4.0 LED light; 2" PVC pipe 4 Jandy Valves, Hayward PL-P-4, SWCG

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    pwrstrk's Avatar
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    Re: Never Backwashing?

    We recommend backwashing when your filter pressure raises 25% of your clean pressure.

    If your filter is fairly large a 1 psi increase would be normal.
    Do you use skimmer socks?
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Mod Squad woodyp's Avatar
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    Re: Never Backwashing?

    Nice problem to have. Enjoy it!
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

  4. Back To Top    #4

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    Re: Never Backwashing?

    How is your flow and water quality?

    I put a Intex 2650 GPH sand filter on my 5500 gallon Intex pool approximately 2 months ago. Other than the initial setup; I've not had to backwash yet. The pressure has not risen the amount to require it yet and I have not noticed any significant change in the flow. Water quality is great, so it's doing it's job. I guess the infrequent backwashes are just a lucky bonus.
    18'X48" Intex Easy Set, 2650 GPH Intex sand filter, Intex SWCG, Intex deluxe skimmer

  5. Back To Top    #5
    Mod Squad Bama Rambler's Avatar
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    Re: Never Backwashing?

    It's not uncommon for some people to go an entire season without backwashing. Some people only backwash upon closing.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Never Backwashing?

    Welcome to my world!
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
    If TFP has helped you, please click to SUPPORT TFP!

  7. Back To Top    #7

    Join Date
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    Ellington, CT
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    Re: Never Backwashing?

    I started using the TFP method when I open my pool this past spring. After the initial pool opening clean up, I back washed my filter and have not needed to since. My pressure has only increase by ~1 psi over the entire season. When I was on the dark side, I would have to backwash at least twice a season based on a 10 psi raise in pressure.
    30,000 gal, 20 x 40 ft vinyl, IG, installed 2006
    1 HP WhisperFlo pump, 60 sqft Pentair Quad D.E., Liquidator(8 gallon) with 3/8 upgrade,TigerShark cleaning robot
    TFTestkits TF-100 with SpeedStir,WS
    A proud practitioner of TFP since 2013

  8. Back To Top    #8

    Join Date
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    Maryland
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    Re: Never Backwashing?

    Glad to hear im not losing my mind. Ive been BBB since the getgo, but my "bleach" is a SWCG. Water is sparkling all the time!
    DIY 18x36 IG Vinyl Rectangle with 2 foot radius; Steel Walls. 8' steps w/t 2 step jets; 2 MD, 1 Skimmer, 2 returns; Hayward Pro Series 24 Inch 300# Sand Pool ; Hayward color logic 4.0 LED light; 2" PVC pipe 4 Jandy Valves, Hayward PL-P-4, SWCG

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