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Thread: Went on vacation, came back to 0 FC

  1. Back To Top    #1

    Join Date
    Sep 2014
    Location
    Gilbert, AZ
    Posts
    32

    Went on vacation, came back to 0 FC

    After 8 months of successful TFP'ing, I've made my first major mistake!

    I've gone on several short vacations and had no issues before. I would bump up the FC with chlorine then put a puck in the floater and all was well.

    This time, however, I was going to be gone for 10 days, so I put two pucks in the floater figuring that would be enough. While I was gone, though, Phoenix had 110+ temps pretty much every day, so the floater was completely empty when I got home.

    The water was actually nearly clear, but there was a light green haze on the walls which turned the water cloudy when brushed.

    After brushing and vacuuming, I decided to start a SLAM tonight. However, after 6 hours, the FC has not dropped at all, so I'm wondering if things might not be quite as bad as I had feared.

    Current numbers:

    pH - 7.2
    FC - 12.0
    CC - <0.5
    CH - 325
    TA - 90
    CYA - 30
    Temp - 86 (at midnight!)

    Can't tell how clear the water is due to night, but will update in the morning.

    With the temp expected to be 112 tomorrow, I'm not sure how I'll differentiate between normal FC loss and that due to algae (What is normal chlorine usage at 110+ anyway?)

    Just looking for some advice on where I should go from here.
    ~10K Gallon IG Plaster Pool built in 1996
    AO Smith SQ1152 1.5HP Pump
    Sta-Rite T-240BP-1 Sand Filter (62 GPM)

  2. Back To Top    #2
    Defgufman's Avatar
    Join Date
    Mar 2015
    Location
    Savannah GA
    Posts
    577

    Re: Went on vacation, came back to 0 FC

    I'd slam a couple of days first and then change course if results don't change. It sounds like your slam will be quick. Just to be sure, did you add an algaecide?
    Inground 13,200 gal Vinyl, Pentair 3/4 hp pump, Pentair Sand Dollar filter, Polaris 280

    Pool School, Pool Math, CYA to FC ratio chart, Testing Kits

  3. Back To Top    #3

    Join Date
    Sep 2014
    Location
    Gilbert, AZ
    Posts
    32

    Re: Went on vacation, came back to 0 FC

    Quote Originally Posted by Defgufman View Post
    I'd slam a couple of days first and then change course if results don't change. It sounds like your slam will be quick. Just to be sure, did you add an algaecide?
    No, I didn't add one. Should I consider that? Or just stick with chlorine?
    ~10K Gallon IG Plaster Pool built in 1996
    AO Smith SQ1152 1.5HP Pump
    Sta-Rite T-240BP-1 Sand Filter (62 GPM)

  4. Back To Top    #4
    Defgufman's Avatar
    Join Date
    Mar 2015
    Location
    Savannah GA
    Posts
    577

    Re: Went on vacation, came back to 0 FC

    I'd slam a couple of days first and then change course if results don't change. It sounds like your slam will be quick. Just to be sure, did you add an algaecide?

    - - - Updated - - -

    Stick with liquid chlorine for the slam

    - - - Updated - - -

    Stick with liquid chlorine for the slam
    Inground 13,200 gal Vinyl, Pentair 3/4 hp pump, Pentair Sand Dollar filter, Polaris 280

    Pool School, Pool Math, CYA to FC ratio chart, Testing Kits

  5. Back To Top    #5
    Defgufman's Avatar
    Join Date
    Mar 2015
    Location
    Savannah GA
    Posts
    577

    Re: Went on vacation, came back to 0 FC

    Don't add algaecide......liquid chlorine
    Inground 13,200 gal Vinyl, Pentair 3/4 hp pump, Pentair Sand Dollar filter, Polaris 280

    Pool School, Pool Math, CYA to FC ratio chart, Testing Kits

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