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Thread: Newbie and nervous - trying TFPC

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    Thumbs up Newbie and nervous - trying TFPC

    My husband and I just finished the DIY installation of our pool (see signature. Literally turned on the pumps last Sunday night. So busy with pool construction that I didn't get "schooled" enough on chemistry. Because of rain and other delays, our pool turned green before we could get the pumps on. I put chlorine in the pool as soon as possible but I now know it wasn't enough. Long story, short, my pool is eating chlorine like crazy. It was clear for a few days but my PH was pretty low (6.0). Upon trying to raise my PH and keep chlorine in the pool, I now have a milky pool. I am working the PH issue now and hope to have it in range by tonight. I realize from LOTS of reading that I will need to SLAM my pool. I am off of work for 3 days so I hope that I can give it the attention we need. We have a very short time before the season is over and I really would like to enjoy my pool before I close it. I hope that I can report progress soon.

    THis morning's test:

    FC 10 (last night 12 and by noon today zippo)
    PH 8 (oops - adding muratic acid slowly)
    CYA - 20 (last night 20)

    I have the Taylor K2006. I am still learning but I hope to figure this out soon. Wish me luck as my husband is not a believer and keeps telling me to buy pucks
    July 2014 DIY 21k gallon 16x32 2' radius Vinyl IG standard diving pool; 2 HP Hayward Pump and Hayward 325sf cartridge filter, 2 Aqua Genies, no main drain, Hayward swim & clear SWG; first turned pump on 3 Aug 2014

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    Mod Squad jblizzle's Avatar
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    Re: Newbie and nervous - trying TFPC

    Welcome to TFP!!!

    Ignore him. Pucks will not clear up the pool at this point. You are right that you need to SLAM.

    What kind of chlorine are you using? How did you add the CYA?

    How much Pool School have you read? Start with these:
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    Recommended Pool Chemicals
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    Re: Newbie and nervous - trying TFPC

    When you get your pool the sparkling blue it will be if you use the tried and true methods here, your husband will believe. Nothing to be nervous about. Just do your reading and following the advice you'll certainly get here. You'll want to get your cya up to 30 to protect your FC. You'll also want to continue your SLAM as long as necessary. Which could possibly take somewhat longer than 3 days. You'll need to do at least 2 tests and fc replenishment Every day. If your do it more often in those 3 days, it should make it a little easier.
    Pool size: 24000gal inground Vinyl-Taylor k-2006 and k-1766 test kits and-speed stir
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    Re: Newbie and nervous - trying TFPC

    colosnyders, when the FC is at or above 10ppm, the pH test can read high. I would add a small amount of muratic acid to bring it down by like 0.1, so the chlorine will be more effective. Once everything clears up, and the FC goes down, then adjust the pH further.
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    Mod Squad kimkats's Avatar
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    Re: Newbie and nervous - trying TFPC

    You are heading in the right direction. You have the kit and this website! Tell hubby to hold off on puck buying. If he wants to buy something have him buy chlorine LOL

    It can be done and you will have a clear pool soon!

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Newbie and nervous - trying TFPC

    Have you done measurements of total alkalinity (TA) and calcium hardness (CH)? The full set of results could help distinguish different possible issues. Knowing the TA is crucial if you want to predict how much chemical (acid, sodium carbonate, or borax if you decide to) to add to hit your target pH.
    18x36, 19k gal, IG Vinyl, Hayward s244t sand filter, 3/4HP Hayward pump

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    Re: Newbie and nervous - trying TFPC

    I would not concern myself with the pH at this moment, you have vinyl. You can always adjust your pH after the slam, and that is what I would be doing. I would want to get rid of the green and cloudiness first. pH has little or no effect of how well your chlorine works.

    I would suggest reading this article more than 4 times.....

    http://www.troublefreepool.com/conte...tain-shockingl

    SLAM - Shock Level and Maintain
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    Re: Newbie and nervous - trying TFPC

    Coonspool, Ph does have a major factor in how well chlorine works.

    The flollowing was taken from the CDC website here

    Why is pH important?

    Two reasons. First, the germ-killing power of chlorine varies with pH level. As pH goes up, the ability of chlorine to kill germs goes down. Second, a swimmer’s body has a pH between 7.2 and 7.8, so if the pool water isn’t kept in this range then swimmers will start to feel irritation of their eyes and skin. Keeping the pH in this range will balance chlorine’s germ-killing power while minimizing skin and eye irritation
    Colosnyders, Adjust your Ph first. After the chlorine level gets above 10ppm the Ph test is unreliable.
    Randy H.

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    Re: Newbie and nervous - trying TFPC

    To keep this thread on topic, I disagree with that, why would you tell someone to stop the SLAM to adjust pH?

    OP has already started SLAM and needs to continue on with that and not worry about pH right now.
    21' x 54" AGP Heritage 12,000 gallons.
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    My SLAM Another swamp, is it worth it? Drain or gain?

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    Re: Newbie and nervous - trying TFPC

    Quote Originally Posted by Coonspool View Post
    To keep this thread on topic, I disagree with that, why would you tell someone to stop the SLAM to adjust pH?

    OP has already started SLAM and needs to continue on with that and not worry about pH right now.
    I don't see it as stopping. FC is at or below 10, so the pH test is accurate. Add the next load of bleach, wait half an hour, add the acid. An hour or so later, recheck them both again. If pH is in range, ignore pH from then on out.

    To calculate the acid needed, you'll need to know TA. With high FC and low CYA, the color may shift from green>pink to blue>yellow or anywhere in between. When the color changes, that's the TA.

    CH is immaterial at this point. It's a fresh fill, so whatever is in the pool is pretty close to what's coming out the hose. Low CH doesn't matter, and there isn't anything to do about high CH if the replacement water is just as hard.
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    Re: Newbie and nervous - trying TFPC

    Upon trying to raise my PH and keep chlorine in the pool, I now have a milky pool.
    This is my reason for asking about the CH. This milkiness could be dead algae, but couldn't it also be precipitation caused by hard fill water and a high pH?
    18x36, 19k gal, IG Vinyl, Hayward s244t sand filter, 3/4HP Hayward pump

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    Re: Newbie and nervous - trying TFPC

    Welcome to the forum We'll try to be gentle since you're new !

    Have you been using "Pool Math" to figure out how much of what to add ?? http://www.troublefreepool.com/calc.html

    She's only posted once and she says from her reading she knows she needs to SLAM. That would indicate she hasn't started the SLAM yet. Most people during a SLAM have something happen (kid emergency, going to work, ran out of bleach, ... ) where their FC drops so letting it drop on purpose so you can check the pH when you know or suspect your's might be way off would seem to make sense as it does make a difference in how effective the chlorine will be.
    Since she hasn't started the SLAM and her FC is 10 or less it would make economical sense to bring the pH down with muriatic acid to a 7.2-7.4 level and then SLAM. Why not get the most bang for your buck out of the bleach ?? More effective bleach, less time to complete SLAM and less bleach needed. That's a win win.

    CYA once added can take up to a week to show up in a test so it's normal to wait a week before you retest it. Once you put some in a sock and add it to the pool it's common to use your target as your actual until you get a chance to test it a week later. If you added enough to go to 30 you would use 30 in your calculations for that week and then retest it to see where you are at. See CYA - > http://www.troublefreepool.com/conte...ater-chemistry

    Here are some how to videos on the pool chemistry tests that might be helpful - - > https://www.youtube.com/user/tf100te...e=results_main

    Pucks at this point aren't going to clear up your pool. They would add some chlorine but they would also start to add to your CYA quickly making it harder and harder for the chlorine to do it's job. Liquid bleach is the way to go. You will need a fair amount of bleach and since it comes in different bottle sizes and different strengths it's hard to figure out what is a good deal. Here is a calculator so you can figure out what you are paying for the bleach itself and compare cost at a per oz price. http://poncatechsquad.com/Dan/Chlorine/
    Regular Clorox, Walmart Great Value, ... or liquid pool shock (bleach) from a Pool Store or home improvement store. You don't want to get a scented or "splashless" product as it may cause problems with foaming. If it say "concentrated" that's OK, it's just a stronger bleach in a smaller container.

    Remain after all it's only water.
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    Re: Newbie and nervous - trying TFPC

    Oh wow! Thanks everyone! I started the SLAM because I was sure I had Algae. My PH is registering high but I think it's because my high chlorine. I have added MA but don't want to adjust too much so I will wait out the SLAM process. I will do the other tests this morning.

    8/7. 10p. FC=16 (might have overdone the chlorine a little )
    8/8. 8a. FC = 15.5 -historically lost all my chlorine during the day

    Still very milky and now a little white foam. Hubby I think expects results faster and got up to look this morning. Imagine how disappointed he was. I am holding the faith and am off to get more chlorine at SAMs club. I will be testing every two hours and will get you all the CC, and TA numbers. Since he test is not accurate, I have given up on PH for now.

    P.S. I have all the articles repeatedly (that's why I know I need to SLAM). Thanks SO much for your guidance. My hubby will feel better knowing someone is helping me

    P.S.S. Pool math is up on the iPad as well as all the forum articles I have been reading into the night
    July 2014 DIY 21k gallon 16x32 2' radius Vinyl IG standard diving pool; 2 HP Hayward Pump and Hayward 325sf cartridge filter, 2 Aqua Genies, no main drain, Hayward swim & clear SWG; first turned pump on 3 Aug 2014

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    Re: Newbie and nervous - trying TFPC

    That's what I thought too so I did add some MA.. Again, I don't want to swing too much the other way if the test is not accurate due to high FC
    July 2014 DIY 21k gallon 16x32 2' radius Vinyl IG standard diving pool; 2 HP Hayward Pump and Hayward 325sf cartridge filter, 2 Aqua Genies, no main drain, Hayward swim & clear SWG; first turned pump on 3 Aug 2014

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    Re: Newbie and nervous - trying TFPC

    No need to test TA during SLAM.
    Test and report FC & CC.

    - - - Updated - - -

    Yes, pH reads high when FC>10.

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    Re: Newbie and nervous - trying TFPC

    image.jpgYes. I think I have read it 10 times AND I am printing out info for a book to review!
    July 2014 DIY 21k gallon 16x32 2' radius Vinyl IG standard diving pool; 2 HP Hayward Pump and Hayward 325sf cartridge filter, 2 Aqua Genies, no main drain, Hayward swim & clear SWG; first turned pump on 3 Aug 2014

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    Re: Newbie and nervous - trying TFPC

    8/7. 10p. FC=16 (might have overdone the chlorine a little )
    8/8. 8a. FC = 15.5 -historically lost all my chlorine during the day
    Looks like you have passed the Overnight Chlorine Loss Test, assuming you didn't add any chlorine between these measurements. If so, this means most/all of what was alive in your pool is now dead. The other two requirements for completing your slam are having less than 0.5 CC and having clear water. The clear water should come as your filter does its job and filters out all that dead algae. I don't think this has been mentioned, but make sure the filter is running 24/7 and you clean it when needed.

    Keep it up! This feels like the home stretch.
    18x36, 19k gal, IG Vinyl, Hayward s244t sand filter, 3/4HP Hayward pump

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    Re: Newbie and nervous - trying TFPC

    It seems as though we all got this thread back on track, but I want to clear a couple things up before moving on....

    pH should be between 7.2 and 7.8, mostly for bather comfort and to protect against damage to equipment. While it is true that at a lower pH the FC becomes "more powerful", in between the 7.2 to 7.8 range the ratio/rate of change isn't really enough to be concerned about - the dividing line is relatively flat. You'd have to get pH well below 7 to make a difference, and for the reasons above, that becomes impractical.

    Before SLAMing, the pH needs to be adjusted to the low 7s, because you won't be testing pH during the SLAM (because, as stated above, the test is invalid with FC above 10).

    For now, let's all focus on assisting with the SLAM. I also agree that you are in the home stretch.
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    Re: Newbie and nervous - trying TFPC

    Quote Originally Posted by achianese View Post
    Looks like you have passed the Overnight Chlorine Loss Test, assuming you didn't add any chlorine between these measurements. If so, this means most/all of what was alive in your pool is now dead. The other two requirements for completing your slam are having less than 0.5 CC and having clear water. The clear water should come as your filter does its job and filters out all that dead algae. I don't think this has been mentioned, but make sure the filter is running 24/7 and you clean it when needed.

    Keep it up! This feels like the home stretch.
    8/8 10:15a. FC= 5. CC=.5. Adding chlorine to get it to the shock value of 10+
    July 2014 DIY 21k gallon 16x32 2' radius Vinyl IG standard diving pool; 2 HP Hayward Pump and Hayward 325sf cartridge filter, 2 Aqua Genies, no main drain, Hayward swim & clear SWG; first turned pump on 3 Aug 2014

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    Re: Newbie and nervous - trying TFPC

    So, you're saying it dropped more than 10ppm in just 2 hrs? That's not a good sign.
    Pool size: 24000gal inground Vinyl-Taylor k-2006 and k-1766 test kits and-speed stir
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