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Thread: Is leslie's dpd kit ok?

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    Is leslie's dpd kit ok?

    I'm kind of in a pinch and figured I'd just get Leslie's DPD kit (vs waiting for tf-100 to be delivered, etc). Will that kit be okay enough? Or is the FAS-DPD kit really necessary for my situation (where I'm going to want to stay around 3ppm).
    15,400 gal, 16x32 vinyl rectangle (sport dig), Intelliflo VS, 240 sqft cartridge filter, Intellichlor IC40, Mastertemp 250, Dolphin supreme M4 cleaning, Pentair EasyTouch4

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    Richard320's Avatar
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    Re: Is leslie's dpd kit ok?

    Are you fighting any particular problem?

    If not, get the cheap 2 way kit - pH and FC from leslies, because tftestkits ships fast, you'll have the whole works in under a week. No point having all that duplication.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
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    techguy's Avatar
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    Re: Is leslie's dpd kit ok?

    If the test kit includes the DPD powder based CL test, it will meet your needs. If it uses an OTO based CL test, it is not able to accurately measure your chlorine levels during the shocking process. The OTO is a great daily test but when you need to raise your CL above 5 PPM, the OTO will not let you know if you have an 8 PPM CL level or an 18 PPM CL level and this information is required during problem solving. The FAS_DPD will easily be able to tell you have an 8.0 ppm FC and 0.0 ppm CC or an 8.5 ppm FC with 1.0 CC. The first of these is a good result for a clean, sanitized pool while the second indicates you need to shock your pool and you may have a green pool you don't address it soon.

    Both the FAS_DPD test and the OTO will be effective at 3 ppm, but if you get a cloudy or green pool, the OTO will become nearly useless. The powder-based test is crucial to maintain your pool. It is very easy to tell if the kit in the store is what you want. If you have a small jar of pink/white crystals inside the box and a small blue scoop, you will have the test you need. I use both tests, OTO daily and the other once a week.
    -- Guy --
    10K gallons in 21' Round 52 inch wall Aqualeader AG, Hayward Power Flow LX 1.5 HP pump motor, Hayward Perflex EC50AC DE filter w/Cellulose, Wide mouth skimmer, 2013 new Diver Dan (craigslist) to replace the faded old Hayward AquaBug. TF-100

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    JasonLion's Avatar
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    Re: Is leslie's dpd kit ok?

    Leslie's sells several different kits. The only one we recommend specifically says "FAS-DPD". The regular DPD test kits, which are much more common, do not include the FAS-DPD chlorine test, which we consider essential.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: Is leslie's dpd kit ok?

    Crud. I thought I had checked that out. Is it just that the regular DPD test won't measure higher concentrations of chlorine or that it's flat out not accurate enough, even at the 3ppm range of chlorine?
    15,400 gal, 16x32 vinyl rectangle (sport dig), Intelliflo VS, 240 sqft cartridge filter, Intellichlor IC40, Mastertemp 250, Dolphin supreme M4 cleaning, Pentair EasyTouch4

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    techguy's Avatar
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    Re: Is leslie's dpd kit ok?

    You can buy the reagents and vial needed to do the FAS-DPD to add to your kit but they will not fit in box. I also think you need a vial dedicated to this test. I don't know why but i seems that way.
    -- Guy --
    10K gallons in 21' Round 52 inch wall Aqualeader AG, Hayward Power Flow LX 1.5 HP pump motor, Hayward Perflex EC50AC DE filter w/Cellulose, Wide mouth skimmer, 2013 new Diver Dan (craigslist) to replace the faded old Hayward AquaBug. TF-100

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    Isaac-1's Avatar
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    Re: Is leslie's dpd kit ok?

    In daily management it will work for you if nothing goes wrong and you don't have an algae bloom, however it is not sensitive enough to do the OCLT which is one early indication that you may have an algae problem before a full blown algae bloom, the second problem is it will not read high levels of FC which are needed when / if you have an algae bloom and need to shock. This all works out about like driving a car without brakes, you can get where your going if your careful, but the moment you need them and they are not there your likely going to have a problem.

    Ike
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    Re: Is leslie's dpd kit ok?

    Quote Originally Posted by techguy
    You can buy the reagents and vial needed to do the FAS-DPD to add to your kit but they will not fit in box. I also think you need a vial dedicated to this test. I don't know why but i seems that way.
    The Taylor vial and reagent will fit fine. The TFT ones will not, but Dave also sells the Taylor ones. They only have one model box for all the K-200X kits, which are the deluxe kits Leslie's sells relabeled. The extra vial is useful, but I think the large pH tube is marked for both 10 and 25ml. (Kit is out by the pool or I would look--I know it is for 25ml.) The risk is the FAS_DPD test might discolor your comparator, so a separate vial is preferred.I got the extra tube when I upgraded my ancient K-2000 with DPD test to a K-2006 equivalent, and the vial stores nicely in between the two tubes of the pH/DPD comparator.
    Current: 28,000G 18'x36' I/G AnthonySylvan Plaster; Waterway 60 sq.ft. DE Filter; 1.0hp x 1.65 SF Two-Speed (B2982) WhisperFlo; 2004-Present
    Previous: 40,000G 20'x40' I/G Koven unlined WWII salvage 5/8" marine steel; Lomart Stainless Sand Filter; 3/4hp Hayward SuperPump; 1946-2003 (managed by me from about 1964)
    Ancient Taylor K-2000, upgraded with Taylor CH, TA, and FAS-DPD, and TFT CYA tests.

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    techguy's Avatar
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    Is leslie's dpd kit ok?

    I wasn't sue about the vial. I had the wm hth 6 way kit & then got the TF100. The TFT comes with the extra vial and just store the reagent drops inside the vial. I know you can get a kit itch another box but the parts can be purchased as refills for much less from Dave and Mazon.
    -- Guy --
    10K gallons in 21' Round 52 inch wall Aqualeader AG, Hayward Power Flow LX 1.5 HP pump motor, Hayward Perflex EC50AC DE filter w/Cellulose, Wide mouth skimmer, 2013 new Diver Dan (craigslist) to replace the faded old Hayward AquaBug. TF-100

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