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Thread: SLAM over (I hope) Final test results, now what

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    SLAM over (I hope) Final test results, now what

    Pool is finally clear, CC is <.5 (VERY slight tinge of pink). OCLT has been consistently very low, and I will test tonight to make sure it's still low.

    I went ahead and tested everything else

    PH 7.5
    CH 225
    TA 50
    CYA 39

    So PH and CYA are about perfect. CH a little low, and TA fairly low. Add baking soda is no problem... I've got most of a 13.5lb bag left, and poolmath says 208 oz which is about 13lb so sounds like I'll just throw that in.

    To add hardness is the best thing to just get some hardness up from WalMart, or is there a better generic.. I don't remember seeing Calcium Chloride anywhere...

    What else now?
    ~30kgal in-ground concrete
    Hayward S-240 300lb sand filter
    Hayward 1HP pump

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    Richard320's Avatar
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    Re: SLAM over (I hope) Final test results, now what

    Assuming you pass the OCLT,

    It's the wrong time of year to buy ice melt, so you can buy the hardness increaser at Walmart, or chlorinate for a few weeks with Cal-hypo. In your pool, every pound of Cal-hypo 73% adds 2 ppm CH. So a 25 pound bucket will get CH up and handle your chlorination needs for about a month.

    Just be aware that adding any of the Calcium products can cause cloudiness. So don't panic if it does. It doesn't mean another algae bloom!
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    Mod Squad pooldv's Avatar
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    Re: SLAM over (I hope) Final test results, now what

    Congrats!

    Don't raise your TA above 70. Monitor your PH for a few weeks and if it is stable then leave TA alone.

    What is the CH in your fill water? If it is 200 or more then don't add CH either. Evaporation will slowly raise your CH.

    Keep your PH between 7.2 and 7.8, mid 7s is best. Keep your FC at target for your CYA and don't let it drop below minimum, ever. Chlorine CYA Chart
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    Mod Squad YippeeSkippy's Avatar
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    Re: SLAM over (I hope) Final test results, now what

    How are you testing to get a CYA of 39? Just curious.... ?

    For the CH you can buy the Hardness Increaser or use some CalHypo if you've got it or its cheaper than the Hardness Increaser. It will add calcium along with the chlorine. You can use Pool Math to determine how much it would take so that you don't overshoot too much.
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    Re: SLAM over (I hope) Final test results, now what

    Well my water level was just above the 40 mark on the cylinder.. I just went with 39...
    Quote Originally Posted by YippeeSkippy View Post
    How are you testing to get a CYA of 39? Just curious.... ?

    For the CH you can buy the Hardness Increaser or use some CalHypo if you've got it or its cheaper than the Hardness Increaser. It will add calcium along with the chlorine. You can use Pool Math to determine how much it would take so that you don't overshoot too much.
    ~30kgal in-ground concrete
    Hayward S-240 300lb sand filter
    Hayward 1HP pump

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    Patrick_B's Avatar
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    Re: SLAM over (I hope) Final test results, now what

    Call it 40 for sure. The markers are graduated in a logarithmic scale, so in between readings are more or less than would appear.
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    Re: SLAM over (I hope) Final test results, now what

    OCLT result was .5, however I overslept this morning so it had been pretty light for a while before I got to the test, so we'll say <0.5. Pass!
    ~30kgal in-ground concrete
    Hayward S-240 300lb sand filter
    Hayward 1HP pump

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    Mod Squad pooldv's Avatar
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    Re: SLAM over (I hope) Final test results, now what

    Sweet! Now, back to regular scheduled swimming.
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    DaninFLA's Avatar
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    Re: SLAM over (I hope) Final test results, now what

    have you been doing anything to manage your pH? if its holding steady at 7.5, I wouldn't touch your TA. if your pool is happy with TA of 50 and keeping your pH steady, then count yourself lucky and don't mess with it

    CH is a bit low, but not sure I would mess with it right now. if you want to raise it buy ice melt, check out pool school which says which one to buy. you wont be able to buy it in store at home depot, etc...BUT...you can order online at anytime of year and have it shipped to the store for free.
    Dan
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    Pool School - Chlorine / CYA Chart; Pool School - Test Kits Compared;

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    Re: SLAM over (I hope) Final test results, now what

    I haven't messed with PH since the very beginning SLAM and that was to offset the 5lb of DiChlor I started with. Once I switched to bleach I haven't added any other chemicals at all.
    ~30kgal in-ground concrete
    Hayward S-240 300lb sand filter
    Hayward 1HP pump

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    DaninFLA's Avatar
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    Re: SLAM over (I hope) Final test results, now what

    well then at least something went your way! lots of people would love to have your steady pH.
    Dan
    9,000 gallon in-ground Saltwater pool, plaster, cartridge filer, 1.0 hp pump, Hayward T-15 SWCG, TF-100
    Pool School - Chlorine / CYA Chart; Pool School - Test Kits Compared;

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    Re: SLAM over (I hope) Final test results, now what

    I really think the SLAM was over a while back, there was just lots of stuff suspended in the water.

    When we got back from our last vacation, the water was crystal clear but there was lots of fallout on the pool floor.. didn't seem like algae, more like dirt/sand. I've been running the aquabot everyday, and now it's clear!
    ~30kgal in-ground concrete
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    Hayward 1HP pump

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    DaninFLA's Avatar
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    Re: SLAM over (I hope) Final test results, now what

    awesome, glad you stuck with the process and everything turned out good. enjoy that pool and view!
    Dan
    9,000 gallon in-ground Saltwater pool, plaster, cartridge filer, 1.0 hp pump, Hayward T-15 SWCG, TF-100
    Pool School - Chlorine / CYA Chart; Pool School - Test Kits Compared;

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    Re: SLAM over (I hope) Final test results, now what

    10' down, looking pretty good!
    ~30kgal in-ground concrete
    Hayward S-240 300lb sand filter
    Hayward 1HP pump

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    DaninFLA's Avatar
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    Re: SLAM over (I hope) Final test results, now what

    Boom! there it is! nice work mackguy. glad everything worked out for you. everything else with the pool all squared away? I know you had some plumbing/etc issues come up over since you took over the pool
    Dan
    9,000 gallon in-ground Saltwater pool, plaster, cartridge filer, 1.0 hp pump, Hayward T-15 SWCG, TF-100
    Pool School - Chlorine / CYA Chart; Pool School - Test Kits Compared;

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