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Thread: Validity of OCLT / vacation plan

  1. Back To Top    #1
    Prav's Avatar
    Join Date
    Nov 2010
    Location
    Miami, FL
    Posts
    94

    Validity of OCLT / vacation plan

    Hi,all -

    In the continuing effort to understand my pool and plan on vacation dosing, been doing some testing:

    Sunday 8PM
    FC - 8
    CC - 0.5
    pH 7.5
    Alk 80
    CYA 40
    CH 400
    Borates 30-50
    Temp 90
    Water clear

    Monday 7AM
    FC - 7
    CC - 0

    Monday 7PM
    FC 3.5
    CC - 0
    Temp 92
    Water clear
    Added a big splash of CL (didn't really measure - maybe a bit over a gallon)

    Monday 8PM
    FC 12.5
    CC 0

    Tuesday 7AM
    FC 12
    CC 0

    So here's my question:
    Did I technically pass the OCLT on both days since FC loss was <1? Or can I only say that if I am at shock level (20 if I recall for my CYA)?

    I'm taking bets on what the FC will be tonight.... expecting a hot, sunny day with direct sunlight exposure for well over 8 hours. I'll say 8.

    My preliminary plan for vac:
    Thursyday (day 1) load up floater with 3 tabs, dump 2½ gallons CL (should get it in the 20s FC)
    Tell neighbor to add 2½ gallons CL on Tuesday (day 5) and again on Sunday (day 10)
    Come back Tuesday (day 12) and hope FC is somewhere like 3-5 and pool is still sparkly.

    I guess I could also tell him to add the 2½ gallons on day 7 and that's it, but more likelihood of something blooming because potential FC drop to 0... though borates may help keep it in check.

    M.
    14'x30' (est. 14K gal) w/spillover spa (est. 500 gal) - 1995 // Diamond Brite Blue Quartz - 2006
    Hayward SwimPure Plus T-15 - 2013 // Zodiac MX-8 - 2013
    Plain ol' Intermatic mechanical timer // Pump: 1 HP Pentair SuperFlo - 2012
    Filter: Hayward C17502(S) Cartridge Filter - 2011 // Heat Pump: Sunrunner/Aquapro 1300 (127K BTU) - 2011

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    Join Date
    Aug 2010
    Location
    Dallas, TX
    Posts
    4,052

    Re: Validity of OCLT / vacation plan

    If I saw those results on my testing, I wouldn't be concerned with shocking the pool.

    I can tell you that borates have helped my pool survive a low FC level more than once. I think your plan sounds good.

    Those three tabs will raise your CYA to about 45. Probably not a bad thing for you in Miami!
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
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  3. Back To Top    #3

    Re: Validity of OCLT / vacation plan

    I see you passed OCLT on Sunday night.

    I also see that you lost 50% of FC on Monday -- so I predict you will test FC 6 on Tuesday night (50% loss)
    23,000 gallon in ground pool with rock waterfall and spillover spa, Aqualink control system, Polaris 380 cleaner, Purex Triton Clean&Clear Plus cartridge filter. Located in The Woodlands, Texas.

    Pool owner since Nov 2008, Trouble Free since April 2009. Happy to help when I can.

  4. Back To Top    #4
    Prav's Avatar
    Join Date
    Nov 2010
    Location
    Miami, FL
    Posts
    94

    Re: Validity of OCLT / vacation plan

    Tuesday PM FC = 8... maybe less sunny than Monday?

    Wednesday AM FC = 8.... maybe some testing error, but close enough for my purposes.

    24 hours to wheels up. 4 tabs in; CL dump tonight. See you in two weeks!
    14'x30' (est. 14K gal) w/spillover spa (est. 500 gal) - 1995 // Diamond Brite Blue Quartz - 2006
    Hayward SwimPure Plus T-15 - 2013 // Zodiac MX-8 - 2013
    Plain ol' Intermatic mechanical timer // Pump: 1 HP Pentair SuperFlo - 2012
    Filter: Hayward C17502(S) Cartridge Filter - 2011 // Heat Pump: Sunrunner/Aquapro 1300 (127K BTU) - 2011

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