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Thread: Winter Pool Care

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    bear31088's Avatar
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    Winter Pool Care

    I realize that it's a bit late to ask, but how critical is total chemical balance during the winter? Temps where I am in central GA have been on the low side this winter and my pool water temp has rarely risen above 50 degrees.

    Thanks.
    Barry, Central GA
    15X36 IG 14,200 gal fiberglass pool. Hayward Sand Filter with 1 HP Hayward SUPER PUMP. Pentaire "Kreepy Krawly Robotic Cleaner

    e-mail: oso49@cox.net

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    pwrstrk's Avatar
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    Winter Pool Care

    Is your pool closed ?

    I would recommend maintaing the balance. At the very least keeping FC in the pool. With that said things slow down a fair amount with low water temps. Your FC loss will drop off a great deal, especially it it's covered. The risk of algae outbreak is greatly lowered with water temps in the 50's and below. Not to say it can't happen.





    If it were my pool where you live I would still keep an eye on things. I wouldn't want any problems in the spring if I could help it. I'm a proactive type of person.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    bear31088's Avatar
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    Re: Winter Pool Care

    Jeff,

    Thanks for the reply. The pool is "open" and I do run the system about 6 hours a day (with a chlorine tab in the chloronater)
    and more than that when temps dip below freezing for an extended period.
    Barry, Central GA
    15X36 IG 14,200 gal fiberglass pool. Hayward Sand Filter with 1 HP Hayward SUPER PUMP. Pentaire "Kreepy Krawly Robotic Cleaner

    e-mail: oso49@cox.net

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    Re: Winter Pool Care

    total chemical balance
    I am not sure what you mean by that but I assume you are currently not testing your water, correct.

    You can not keep your water within the ranges we suggest unless you test.

    If you let your parameters get far from normal, then you have a bigger cleanup and adjustment period in the Spring.

    So, whether you do it during the winter (that's my first choice) or catch it all at once in the Spring is your call.

    Everything we teach, though, depends on accurate testing and dosing so we have an idea where you are.

    Post test results if you have them.....What does your water look like?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    pwrstrk's Avatar
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    Re: Winter Pool Care

    Quote Originally Posted by bear31088 View Post
    Jeff,

    Thanks for the reply. The pool is "open" and I do run the system about 6 hours a day (with a chlorine tab in the chloronater)
    and more than that when temps dip below freezing for an extended period.
    Are you using tabs exclusively for chlorination ? If you are I would advise against that.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    bear31088's Avatar
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    Re: Winter Pool Care

    The pool installer (not having any allience to a pool suppy store) "warned" me not to use bleach for chloronation. Being the new dummy, I didn't ask why not. So...what's the harm with using tablets? Help.....

    - - - Updated - - -

    oh, the water is crystal clear
    Barry, Central GA
    15X36 IG 14,200 gal fiberglass pool. Hayward Sand Filter with 1 HP Hayward SUPER PUMP. Pentaire "Kreepy Krawly Robotic Cleaner

    e-mail: oso49@cox.net

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    pwrstrk's Avatar
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    Winter Pool Care

    Quote Originally Posted by bear31088 View Post
    The pool installer (not having any allience to a pool suppy store) "warned" me not to use bleach for chloronation. Being the new dummy, I didn't ask why not. So...what's the harm with using tablets? Help.....

    - - - Updated - - -

    oh, the water is crystal clear
    First thing, your pool builder is 100% wrong in saying you can't use bleach for chlorine. It's one of the best forms of chlorine and has NO side affects. I use it exclusively along with thousands of others on this forum.

    The tabs are stabilized chlorine. Long term use is not good. They will continually add CYA "stabilizer ". When this level gets too high you can't keep FC levels in range and you have an alage outbreak. They are also acidic and that's not good for your PH levels. There are countless threads on this forum with problems from using tabs. Just look around.

    Take sometime and do some reading in pool school. The ABC's of pool water chemistry and how to chlorinate your pool is a good place to start.

    Do you have a test kit ?
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Richard320's Avatar
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    Re: Winter Pool Care

    Quote Originally Posted by bear31088 View Post
    The pool installer (not having any allience to a pool suppy store) "warned" me not to use bleach for chloronation. Being the new dummy, I didn't ask why not. So...what's the harm with using tablets? Help.....
    I'm glad you asked!

    Here's a little something I wrote last season. I still think it's one of my best pieces of writing.
    We'll take a 16000 gallon pool, because that's what I have. On a fresh fill, prominent national pool chain recommends 2.5 pounds pf stabilizer per 10,000 gallons, which works out nicely to 4 pounds which brings CYA to 30.

    With an average loss of 2 PPM/Day or 14 ppm/week, I'll have added 8.6 PPM/CYA if I used trichlor pucks perfectly. And they recommend a weekly "shock" of dichlor between 5 and 10 FC.... 2-3 oz per 10,000 gallons. Split the difference; I'll add 4 oz. CYA went up another .9.

    So..by the end of week one, I have added 9.5 more CYA. It is now 39.5. Mimimum FC for that is 3, so I'm probably okay.

    Week two, up to 49 CYA.
    Week three, 58.5. Minimum FC should be 5, but they recommend 3 as ideal, so the pool looks a bit hazy. So I'll toss in a little extra dichlor "shock" to jack FC up to 10. Which adds another 6.4 CYA. Keeping count? We're up to 64.9 now.

    That caught the algae just in time.. we had two weeks of good luck. A steady diet of pucks and 4 oz. "shock" each week only added another 19, up to 73.9 now.

    Week 6 it started looking funky, so we "shocked"it once again. CYA is up to 99.3. But minimum FC to keep algae at bay is 8, and we're still holding things to 3, because prominent national chain's preprinted sheet shows that as ideal. So algae got a toehold and the pool has a bit of a tint. So we throw two whole bags of dichlor in which jacks it another 7.6 by the time week 7 is over, we're at 116.4, because we had pucks in the floater the whole time.

    So...in 7 weeks, from 30 to 116.4. Let's say there are no more algae outbreaks because they sold me a huge bucket of phos-free and another of yellow-out monopersulfate "shock" Nothing but the pucks and the extra 4 oz of dichlor "shock" weekly. So the next 7 weeks added 66.5, which brings the total to 182.9 CYA.

    Now if we didn't understand this and things looked a bit hazy, we might throw an extra puck or two in the floater every couple weeks, which will drive it over 200 easily.


    And then next year when you try to open, you're whining here how you "shocked" it and it's still green. And then you get indignant at the cost and bother to drain 3/4 of the pool. Seen it over and over and over and over here.

    This is all based on a roughly 3 month swim season. If you run pucks year-round, it'll be even higher.

    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    bear31088's Avatar
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    Re: Winter Pool Care

    Thanks for all the good info. I do have a test kit, but I couldn't tell you the brand. I think I need to print the pool school info and read it this weekend. Thanks again, I appreciate it.

    Barry
    Barry, Central GA
    15X36 IG 14,200 gal fiberglass pool. Hayward Sand Filter with 1 HP Hayward SUPER PUMP. Pentaire "Kreepy Krawly Robotic Cleaner

    e-mail: oso49@cox.net

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    pwrstrk's Avatar
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    Winter Pool Care

    One other thing you need to have. You need one of our recommended test kits. Best investment you can make for your pool. Check them out in pool school.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    7snorkel's Avatar
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    Re: Winter Pool Care

    reading some 'old posts' on this site and found this gem. Nice write up here, Richard.

    20K IG Plaster (1996),
    Hayward SwimClear Cartridge Filter, Centurion 2.20HP, PB4 Booster Pump. spa spillover, Polaris 280, TF-100; SpeedStir​

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