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Thread: Should I Raise CYA Before SLAMing?

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    Should I Raise CYA Before SLAMing?

    My Intex 18'x52" ultra frame sat with a cover on it all winter. Recently I pulled the cover off, drained most of the water to hard plumb it, vacuumed it, and then refilled it. The water is now a milky green color. I just had the water tested at everyone's favorite pool store and due to how much was drained, the CYA reading came back as zero. Now obviously due to the nastiness of the water I would like to SLAM it. I'm wondering if I should fix the CYA first, or just start dumping bleach in it. I have an Intex SWG that has yet to be tested and is currently off. My readings are as follows:

    FC:0
    CH:110
    Salt:2000
    CYA:0
    TA:150
    pH:7.8

    Thanks

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    Mod Squad woodyp's Avatar
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    Re: Should I Raise CYA Before SLAMing?

    You should raise your cya to 30 and SLAM at that level per the chlorie/cya chart in pool school. Got a good test kit with a fas-dpd chlorine test?
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

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    Re: Should I Raise CYA Before SLAMing?

    Leaving for college in the fall, and my mom doesn't want to spring on a pricey kit. Any recommendations for something around $40?

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    y_not's Avatar
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    Re: Should I Raise CYA Before SLAMing?

    You could get the TF-50 test kit @ http://tftestkits.net/TF-50-Test-Kit-p55.html
    But SLAMing your pool, you'll go through re-agents a lot faster, and this may not be enough. But If you're a miser with it, you'll get through.
    IE. Test with a 5ml sample and 1ppm per drop equivalency when at shock levels, vs. 0.5ppm drop equivalency with the 10ml sample. So it'll use less titrating reagent, and less DPD powder. But you should test with the 10ml sample otherwise.
    Also, only testing CYA 1x when you 1st start,
    giving the powder you add, 1 full week to register, before you waste one of your 3 CYA tests on it.

    You'll need to already have a good reliable pH+OTO test block, a good and cheap one is the Taylor manufactured one that Walmart carries under the HTH brand for about $7.50. Same one Dave sells, just minus the nice opaque blue, shatter and UV resistant box. But gets the job done.

    Thanks for reading... - Tony
    Da' Pool: Intex 15'x42" 3284gal AGP EasySet (Inflatable Ring) - (Summer 2014: 27' round EW /w 6.5' deep end @ 22,500gal)
    Pump & Cart Mod: 1000gph Cart. 5ft² - 2 nylons, 24/7 OP. Traps bugs/bits, lasts longer/cleans easier = Happier Pool Owner!!
    The Bible for a "Trouble Free Pool" life = PoolSchool, the BBB method a TF100 test kit(Recommend Kits Compared). - Cleaning a Sand Filter
    Water looks like GLASS, if yours doesn't...SLAM IT! Feels nice and never been happier!!! :D

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    Re: Should I Raise CYA Before SLAMing?

    Well the pipe union going to the filter just blew (the pressure was very low?) and soaked the pump. I think I'm done for the day.... Time to let things dry! Also pre-blowout thanks for the help guys! Picked up a decent test kit and I was well on my way haha

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    y_not's Avatar
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    Re: Should I Raise CYA Before SLAMing?

    Well that doesn't sound like fun, if you need help with the plumbing situation, post pictures and the plumbing gurus will help you through it.

    What test kit did you buy?

    Thanks for reading... - Tony
    Da' Pool: Intex 15'x42" 3284gal AGP EasySet (Inflatable Ring) - (Summer 2014: 27' round EW /w 6.5' deep end @ 22,500gal)
    Pump & Cart Mod: 1000gph Cart. 5ft² - 2 nylons, 24/7 OP. Traps bugs/bits, lasts longer/cleans easier = Happier Pool Owner!!
    The Bible for a "Trouble Free Pool" life = PoolSchool, the BBB method a TF100 test kit(Recommend Kits Compared). - Cleaning a Sand Filter
    Water looks like GLASS, if yours doesn't...SLAM IT! Feels nice and never been happier!!! :D

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    Re: Should I Raise CYA Before SLAMing?

    I am currently borrowing my friend's Taylor K-2006 until the one I ordered arrives from Amazon. Thanks!

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