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Thread: Treatment after neglect.

  1. Back To Top    #1

    Treatment after neglect.

    First todays data
    FC 9
    CC 1.5
    TC 2
    pH 7.8
    T/A 140
    CH 410
    CYA 35
    Temp Mid 50s (No themometer at this time)

    Basically after Sept and pool use dropped off (and dealing with new baby) I didn't look at the pool for several weeks.
    It turned deep green with a good coating of algae. I have been shocking and running equip and brushing when I can.
    Water is now running clear. But I am left with what I will describe as a stain over much of the shaded area of the pool.
    The wall that always gets sun seems to be clearing quicker?
    Will this deeper algae eventually clear if I continue to maintain a decent chlorine level and keep brushing?

    Would getting a metal bristle brush be needed or just more effort with the plastic one?

    I'm in Northern Marin approx 15000 gallon gunite/plaster pool. Plaster is in reasonable nick.

    Off to clean the filter now....
    Thanks in advance.
    Inground Plaster 15,000 Gal. Hayward C4025 Cartridge Filter.3/4 Hp Hayward Pump

  2. Back To Top    #2

    Join Date
    Mar 2007
    San Rafael, CA USA

    Re: Treatment after neglect.

    Probably a combination of high chlorine levels of at least 14 ppm FC (40% of your CYA level) combined with frequent brushing with your plastic bristled brush should do the trick. However, the lower pool water temperature will make the entire process take longer since all chemical reactions slow down considerably. At least you pool is plaster so if you needed to use the metal bristled brush, you could.
    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"

  3. Back To Top    #3

    Re: Treatment after neglect.

    I hadn't appreciated how much slower the cold water might make things so I'll be patient and keep the chlorine topped up.
    If only I could teach the nipper how to handle a brush!

    Inground Plaster 15,000 Gal. Hayward C4025 Cartridge Filter.3/4 Hp Hayward Pump

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