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Thread: Chlorine level before going away

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    tedinelkgrove's Avatar
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    Chlorine level before going away

    My wife and I are going to Murmansk, Russia for 3 weeks. From Cali to the Arctic Circle While there, for recreation we will be going to a sauna on a frozen lake: sauna for 10 minutes, then plunge into the frozen lake I am sure lots of vodka will be necessary I digress.

    Regarding my pool, water temp right now about 55, air temps 50-60 during the day, with occasional rain. I would imagine a few 70s will sneak in while we are gone, and rainy season is coming to an end. To make sure we come home to a sparkling clear pool, I was going to do shock the pool using mustard algae level pool school recommends, 19 FC. Regular FC level is 2-6. However, I am not sure the 19 FC will be sufficient for 3 weeks, especially with warm spells while I am gone.

    Also, should I use liquid bleach to shock or get the powdered shock bags? My CYA is only 30ppm, so I can afford the extra CYA they produce.

    Any recommendations?
    ~15000 gallon inground, plaster pool
    Jandy CL460 Cartridge Filter Tank, Jandy Stealth SHPF 1.5hp pump, Pentair Legend II cleaner
    Leslie's DPD Complete Test Kit, TF Tests FAS-DPD Chlorine Test Kit
    Heliocol solar pool heating (HC-40 x6)

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    Richard320's Avatar
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    Re: Chlorine level before going away

    I'd be happy to send you a used tablet floater and half a bucket of chlorine pucks, but the shipping is probably more than just buying what you need new.

    Get a floater and some stabilized tablets, the CYA won't hurt. Or hire a pool service to come check chlorine and vacuum once a week. Or hire a neighbor kid to do the same - and mow your lawn, too. Oh wait, I forgot.... modern teens don't do stuff like that.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Re: Chlorine level before going away

    I would do exactly what Richard said and get a floater from Wal-Mart and put 3 or 4 trichlor pucks in it. My Wal-Mart even sells trichlor pucks as singles and I would imagine that other places might too. This way, you don't have to buy a bucket full. The very small addition of CYA that would be dissolved in your pool from using this method would be negligible, especially since your CYA is 30 ppm.

    Add enough bleach to bring your FC up to what is optimum for your pool and then toss the floater in.

    Have a great trip!!

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    tedinelkgrove's Avatar
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    Re: Chlorine level before going away

    Thank you for the replies. Glad I didn't throw the floater out when I started BBB method. I'll take FC to 7 and throw 4 pucks in the floater.
    ~15000 gallon inground, plaster pool
    Jandy CL460 Cartridge Filter Tank, Jandy Stealth SHPF 1.5hp pump, Pentair Legend II cleaner
    Leslie's DPD Complete Test Kit, TF Tests FAS-DPD Chlorine Test Kit
    Heliocol solar pool heating (HC-40 x6)

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    Re: Chlorine level before going away

    Three weeks is a long time. I would hire a service. Check Craigs List and interview a few.

    I don't think the floater is a solution. If it is windless at night, it won't move. The chlorine will drift to the bottom an sit until the pump comes on. 3" pucks won't last long enough either.

    Scott
    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

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    polyvue's Avatar
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    Re: Chlorine level before going away

    Probably a lot will depend on the temperature of the water. Last year the water temperature went from 55 to about 75 during the month of March. In 2008, my logs show a more modest increase for this same period -- from 55 to less than 65 degrees Farenheit. Personally I wouldn't be overly concerned about a 3 week absence but your pool may be subject to more environmental debris than mine. I would probably crank up the FC to very high shock level (20 ppm) and leave it go. Now, I think you have enough varying opinions to figure out the best course of action!
    14,555 gal in-ground 16'x29' white plaster Pool w/spa (2007); Goldline Aqua Logic AQL-PS-8 control w/Aqua Cell 15 Salt Water Chlorination (SWCG); Hayward TriStar 1HP (1.85 SF) main / 1.5HP (1.60 SF) spa pumps; Hayward Swimclear cart filter C4025, ColorLogic LED lights; Tankless SP-18-4 electric heater; Polaris 280 cleaner.
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    tedinelkgrove's Avatar
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    Re: Chlorine level before going away

    Quote Originally Posted by polyvue
    Probably a lot will depend on the temperature of the water. Last year the water temperature went from 55 to about 75 during the month of March. In 2008, my logs show a more modest increase for this same period -- from 55 to less than 65 degrees Farenheit. Personally I wouldn't be overly concerned about a 3 week absence but your pool may be subject to more environmental debris than mine. I would probably crank up the FC to very high shock level (20 ppm) and leave it go. Now, I think you have enough varying opinions to figure out the best course of action!
    I am thinking that may be the way. I only loose 2-3 FC when the temp is 100 and full summer sun, and assuming loss of 1 FC/day, I should be good. Just in case, I'll ask someone to stop by and throw a gallon of 12.5% bleach in after week 2.

    Only vegetation around pool is 2 palm trees, a pools best friends when it comes to minimizing debris, in my opinion. Plus I have the pump and Letro Legend II cleaner going 4 hrs/day.
    ~15000 gallon inground, plaster pool
    Jandy CL460 Cartridge Filter Tank, Jandy Stealth SHPF 1.5hp pump, Pentair Legend II cleaner
    Leslie's DPD Complete Test Kit, TF Tests FAS-DPD Chlorine Test Kit
    Heliocol solar pool heating (HC-40 x6)

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    frustratedpoolmom's Avatar
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    Re: Chlorine level before going away

    If the pump will be on a timer, the floater should do the trick but I would absolutely have someone come and check on things and throw in a jug of bleach for good measure.

    I assume you don't cover it?

    (I have gone on 11 day trips, shocked the pool, covered with the solar blanket and left the pump on and come home to a FC residual above my "min" rec level) so three weeks with pump running and a floater and you should be fine, esp since your CYA is that low to start.)

    Have a good time!
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
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    tedinelkgrove's Avatar
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    Re: Chlorine level before going away

    Quote Originally Posted by frustratedpoolmom
    I assume you don't cover it?
    Correct, I never use a cover. I have a solar cover that came with the pool when I bought the house. Perhaps this is a perfect time to roll it out. If so, I'll shock (FC 20) and put cover on. I assume I just run pump and cleaner as normal with the cover on?
    ~15000 gallon inground, plaster pool
    Jandy CL460 Cartridge Filter Tank, Jandy Stealth SHPF 1.5hp pump, Pentair Legend II cleaner
    Leslie's DPD Complete Test Kit, TF Tests FAS-DPD Chlorine Test Kit
    Heliocol solar pool heating (HC-40 x6)

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    Ohm_Boy's Avatar
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    Re: Chlorine level before going away

    We don't have any other members around Elk Grove who could stop in a couple of times?
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

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    polyvue's Avatar
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    Re: Chlorine level before going away

    99 or I-5?

    I have my principles.
    14,555 gal in-ground 16'x29' white plaster Pool w/spa (2007); Goldline Aqua Logic AQL-PS-8 control w/Aqua Cell 15 Salt Water Chlorination (SWCG); Hayward TriStar 1HP (1.85 SF) main / 1.5HP (1.60 SF) spa pumps; Hayward Swimclear cart filter C4025, ColorLogic LED lights; Tankless SP-18-4 electric heater; Polaris 280 cleaner.
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    frustratedpoolmom's Avatar
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    Re: Chlorine level before going away

    Quote Originally Posted by tedinelkgrove
    Quote Originally Posted by frustratedpoolmom
    I assume you don't cover it?
    Correct, I never use a cover. I have a solar cover that came with the pool when I bought the house. Perhaps this is a perfect time to roll it out. If so, I'll shock (FC 20) and put cover on. I assume I just run pump and cleaner as normal with the cover on?
    Yes you can run the pump as normal - cleaner, not sure about that (I don't have one).

    Covering it, depending on the color, helps protect the FC level from UV destruction (also helps prevent evaporation). Depends on what kind of condition the cover is in (since you haven't used it...) Also some people say not to use a floater under a solar blanket. I've never done that, maybe someone who has can chime in....not sure if it would make a difference.

    You don't have to cover - using a floater and the pump on a timer and having someone check on things and add a jug of bleach should do the trick just fine. A cover will just help the FC last longer is all.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    tedinelkgrove's Avatar
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    Re: Chlorine level before going away

    Quote Originally Posted by polyvue
    99 or I-5?

    I have my principles.
    I am about midway between 99 and I-5 south of Elk Grove Blvd. I would never subject myself to 99 if at all necessary. Thank you, but I would not impose. I'll get a relative to come down and throw a jug of bleach in.

    Thanks to everyone for the suggestions. I'll let you know how it turns out in 3 weeks. Glad to see so many responses. I thought this forum would be dormant this time of year.
    ~15000 gallon inground, plaster pool
    Jandy CL460 Cartridge Filter Tank, Jandy Stealth SHPF 1.5hp pump, Pentair Legend II cleaner
    Leslie's DPD Complete Test Kit, TF Tests FAS-DPD Chlorine Test Kit
    Heliocol solar pool heating (HC-40 x6)

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    Re: Chlorine level before going away

    My Polaris runs fine under the solar cover. Actually I like it that way, the tail is less prone to randomly spray the neighbor's yard.
    --paulr
    BBB "Intermediate Swimmer"
    IG plaster pool 18.5K gal, Hayward Pro-Grid DE filter, 3/4 HP Hydramax II; Polaris 380, 3/4 HP booster
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    tedinelkgrove's Avatar
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    Re: Chlorine level before going away

    Quote Originally Posted by PaulR
    My Polaris runs fine under the solar cover. Actually I like it that way, the tail is less prone to randomly spray the neighbor's yard.
    --paulr
    Good point. I am waiting for a knock on the door with a wet neighbor staring back at me.
    ~15000 gallon inground, plaster pool
    Jandy CL460 Cartridge Filter Tank, Jandy Stealth SHPF 1.5hp pump, Pentair Legend II cleaner
    Leslie's DPD Complete Test Kit, TF Tests FAS-DPD Chlorine Test Kit
    Heliocol solar pool heating (HC-40 x6)

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    polyvue's Avatar
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    Re: Chlorine level before going away

    Quote Originally Posted by PaulR
    My Polaris runs fine under the solar cover. Actually I like it that way, the tail is less prone to randomly spray the neighbor's yard. --paulr
    Quote Originally Posted by tedinelkgrove
    Good point. I am waiting for a knock on the door with a wet neighbor staring back at me.
    Ditto and ditto.

    Ted -

    If you get into a bind, shoot me a PM before you leave. I-5 Elk Grove is just a quik shot from where I work downtown.

    - Greg
    14,555 gal in-ground 16'x29' white plaster Pool w/spa (2007); Goldline Aqua Logic AQL-PS-8 control w/Aqua Cell 15 Salt Water Chlorination (SWCG); Hayward TriStar 1HP (1.85 SF) main / 1.5HP (1.60 SF) spa pumps; Hayward Swimclear cart filter C4025, ColorLogic LED lights; Tankless SP-18-4 electric heater; Polaris 280 cleaner.
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    View of spiral galaxy in Ursa Major NGC6217 - Hubble Telescope 2009

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