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Thread: DPD Powder

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    DPD Powder

    When I use the DpD powder it does not totally dissolve. Their are clear crystals left in the bottom of the comparator. What are these? Will this effect the test?
    21,100 IG Vinyl
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    Mod Squad jblizzle's Avatar
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    Re: DPD Powder

    Not sure what they are but it is normal.
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    Richard320's Avatar
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    Re: DPD Powder

    That means you're using enough. If you don't see a couple undissolved granules before you start adding the R-0871, you haven't used enough.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Re: DPD Powder

    Thanks!
    21,100 IG Vinyl
    Hayward Pump
    Sand Filter
    TFPC
    Taylor K-2006 Kit

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