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Thread: help with first results of the season, ps234

  1. #1
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    Default help with first results of the season, ps234

    here are my results:
    Ph 6.8
    FC .5
    CC 1
    TC 1.5
    Alk 100
    Cal 150
    CYA 40

    would love to hear your suggestions.

    tia,
    jd

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    Default Re: help with first results of the season, ps234

    Quote Originally Posted by vinouspleasure View Post
    here are my results:
    Ph 6.8
    Get this up to at least 7.2, particularly if you have a vinyl pool, first! Use borax to do this.
    FC .5
    CC 1
    Shock the pool to get rid of the CC and get your FC up

    TC 1.5
    Alk 100
    Cal 150
    CYA 40
    These numbers are fine for vinyl pools. If your pool is plaster get the Cal up to around 250-300, if your pool is fiberglass then get it up to 225-250.
    would love to hear your suggestions.

    tia,
    jd
    hope this is helpful.
    Retired pool store and commercial pool maintenance guy.

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    Default Re: help with first results of the season, ps234

    thanks.

    - to shock the pool, what is the recommended chlorine level and how long should I maintain it?
    - post shock, what should the target be for fc?
    - the powder in the kit for the chlorine test has gone gray, is there a place I can order a replacement?
    - do I have to shop for calcium at a pool store or is there an equivalent?

    thanks for all the help!
    jd

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    Default Re: help with first results of the season, ps234

    With a cya of 45, you should shock up to 15ppm. Test a couple times a day and each time, bring your chlorine level back up to 15. After your pool is clear and you are no longer getting a CC reading, your chlorine level should be maintained between 3-6 all the time. If you drop below 3, you risk an algae bloom.

    I'm going to let someone else answer your question about where to order refills. As far as calcium, what type of pool do you have? If it is a vinyl pool, you don't need calcium.

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    Default Re: help with first results of the season, ps234

    thanks for all the great info! its a gunite pool, so I definitely need cal. also, my cya is 40 not 45...the actual reading was 38 but I rounded it off.

    thanks again,
    jd

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    Default Re: help with first results of the season, ps234

    Quote Originally Posted by vinouspleasure View Post
    thanks for all the great info! its a gunite pool, so I definitely need cal. also, my cya is 40 not 45...the actual reading was 38 but I rounded it off.

    thanks again,
    jd
    It's not possible to get a CYA reading of 38 with the PS234. Just call it a bit below 40. Your CYA is fine where it is. Shocking to 15 ppm is still fine.
    As far as refills, if your DPD powder is only grey it's probably still good. The titrant is the one to worry about. If it is NOT clear but has any kind of color (like pinkish or orange) then it is bad and needs to be replaced. You can order refills from Taylor Technologies or from TF Test Kits.
    Retired pool store and commercial pool maintenance guy.

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    Default Re: help with first results of the season, ps234

    How does your water look?

    Janet

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    Default Re: help with first results of the season, ps234

    the water was very cloudy to start but I've been shocking the pool and now its clear but not crystal clear. I was using pool shock rather than chlorine since its a little more convenient and I had some leftover from last year.

    the bleach calculator says I need about 7 gallons of bleach to reach 15ppm. I typically shock the pool once a week after heavy use or heavy rainfall, so thats a lot of bleach to keep on hand. I guess I've seen a split of opinion in these forums on whether one needs to shock regularly if the chlorine readings stay in acceptable range.

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    Default Re: help with first results of the season, ps234

    Unless you have a CC reading over 0.5, you shouldn't need to shock. It isn't hard to keep your chlorine level between 3-6 if you just are diligent about testing and adding bleach. I very seldom have to shock my pool because I very consistenly maintain my chlorine levels.

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    Default Re: help with first results of the season, ps234

    If your CC is less than .5 ppm you do NOT need to shock. Most people do NOT need to shock weekly. Remember, shock is a verb, not a noun. It a procedure, not a product.
    Retired pool store and commercial pool maintenance guy.

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