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Thread: Digital pool tester

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    Digital pool tester

    Hello Thank goodness i found this place i have been reading thru this and have found some very interesting information but i was wondering does anyone out there use a digital tester and if so what do you recomend.???? being color blind i can't really use the test strips accurately.... also I just bought a new Intex sf15110 sand filter...... and i am having a hard time finding #20 sand for it is there any other sand i can use your helpwould be greatly appreciated

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    msgtdan's Avatar
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    Re: Digital pool tester

    I don't know that much about digital testers but the test kits we recommend use color change for everything but PH.

    http://www.troublefreepool.com/pool-...kit_comparison

    Both kits are good, the TF-100 is the better value.
    Dan D
    Used 2003 Aqua Leader 27'x52", 17,800 w/10" hopper, SwimPro SW256T 250# sand filter, Hayward PowerFlo LX pump 1hp impellor, Emerson 1 1/2 hp motor, setup Aug 2012 Summer 2011 used Summer Escapes Ring pool 14' x 42", Intex 1600gph sand filter, HTH 6 way test kitTF-100 w/stirrer, Well water @ FC=0, PH=7.2, TA=290, CH=320

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    JasonLion's Avatar
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    Re: Digital pool tester

    For a sand filter you need to use #20 silica sand. Sometimes it is labeled pool filter sand. Most pool stores will have it, and some big box hardware stores in areas with lots of swimming pools.

    None of the digital testers under about $700 are as good as the drop tests. And even the $1000 digital testers have both advantages and disadvantages vs the drop tests. There are some meters that only read PH which are around $100 and are alright, but they need to be calibrated regularly.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: Digital pool tester

    What about the LaMotte Color Q? That one seems to get pretty good reviews.
    Premier (Esther Williams) 24' x 52" Round AGP (13,500 gl.), Hayward 24" Pro-Series S244T Sand Filter, 1.5 HP Hayward Super Pump, AquaRite SWG, AquaComfort ACT-1100 Heat Pump, Jandy/Zodiac iAqualink Automation System with iPhone App, Aquabot Pool Rover S2-40
    My New Pool

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    Mod Squad jblizzle's Avatar
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    Re: Digital pool tester

    Quote Originally Posted by dinom
    What about the LaMotte Color Q? That one seems to get pretty good reviews.
    There are a couple for sale by members due to realizing inconsistent results compared to the drop based kits ... so that says something.

    How would you know if the numbers it spits out are even close to correct without verification and calibration?
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    JasonLion's Avatar
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    Re: Digital pool tester

    The ColorQ is the best of the affordable digital testers, but it has enough quirks that we don't recommend it. For example it can't measure anything at all when FC levels are above 10. The results can be wildly wrong if CH is very very high. The precision on the CYA test is much worse than the CYA test that comes with the liquid drops tests. And so on. If you understand it's limitations and use another test kit when you have reason to believe it will have a problem it can be useful, but in practice that means that pros are the only ones when might want to use it, since you have to have a non-digital kit anyway and pros are the only ones likely to pay enough attention to the limitations to not get fooled by incorrect results.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: Digital pool tester

    Well after much work and research this week end i can finally see the bottom of my pool!!!! thank you

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