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Thread: Water flow meters

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    Chad628's Avatar
    Join Date
    Jul 2013
    San Francisco Bay Area

    Water flow meters

    Hello. I recently joined this wonderful website and think I have finally mastered the BBB method in caring for my pool and spa after hours of reading and posting a few questions in those topics. My thoughts are now directed to my new variable speed pool pump. On the recommendation of my pool contractor who recently remodeled my swimming pool I am running the pump 18 hours a day at 1,250 rpms. I tried to read here on how to figure out the flow rate of a pump and became very confused at all the charts and graphs and technical terms like hydrolic head. I have no idea how many times my pool water is being turned over in a day. I recently saw the TFP websight sells water flow meters. What is the general recommendation regarding them? Would a water flow meter give me better feedback regarding the optimal speed settings of my pump?

    Thank you for your help.
    Petaluma, CA., 11K gallon IG pool, white plaster, Nautilus FNS 36 sq. ft. DE Filter, Jandy 1.5 HP variable speed E pump, Pentair Booster Pump with Polaris Vac-Sweep 280 pool cleaner, Jandy Laars LX Pool Heater, Remodeled (new plumbing, plaster, tile, coping, variable speed pump) January 2013. 400 gallon Artesian Island Spa (Ozonator/Chlorine), TF-100 test kit.

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    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: Water flow meters

    There is no real need to know the flow rate. There is no required turn. See the article on determining run time in Pool School.

    Although the one tftestkits if one of the better flow meters and the one I would get if you feel you need one ... Although it will add head loss and reduce the flow rate if you have no need for a check valve.

    Btw, 1000rpm is the most efficient fit the intelliflo.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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