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Thread: Question about Polyquat 60

  1. Back To Top    #1

    Join Date
    Mar 2012
    Amarillo, Texas

    Question about Polyquat 60

    I may have this all screwed up. I've been shocking my pool for the last 24 hours. No problem holding chlorine. I added the recommended dosage of polyquat 60 for winterizing my pool last night after dark. This morning I woke up and I failed the OCLT. Do I need to start the shocking process all over or does this have something to do with my addition of polyquat 60?

    FC: 11.5 (brought back up to 14)
    CC: .5
    CYA: 35
    18'x48" AG
    Pentair 1 1/2 HP Dynamo Pump
    Sand Dollar Sand Filter w/ Zeobrite
    Lil Shark Vacuum System
    Hard Plumbed

  2. Back To Top    #2

    Join Date
    Mar 2007
    San Rafael, CA USA

    Re: Question about Polyquat 60

    Chlorine slowly oxidizes Polyquat but does so more quickly when both are at higher levels. This is normal so don't worry about the chlorine drop. A chlorine overnight loss test is not appropriate when you are using both for closing. See this post for closing instructions using chlorine and Polyquat.
    16,000 gallon outdoor in-ground 16'x32' plaster pool; Pentair Intelliflo VF pump; Pentair IntelliTouch i9+3s control system; Jandy CL-340 square foot cartridge filter
    12 Fafco solar panels; Purex Triton PowerMax 250 natural gas heater (200,000 BTU/hr output); automatic electric pool safety cover; 4-wheel pressure-side "The Pool Cleaner"

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