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Thread: MY 1st POST!!! Help me please!!!!!

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    Acejoe100's Avatar
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    MY 1st POST!!! Help me please!!!!!

    This marks my inaugural post on this site and I am so thankful that I found this!!! We bought our house (which already had the pool) about 2 yrs ago. It had old equipment and I have recently replaced it. I was paying a PB to come periodically to monitor but now I am taking it over with my newly found confidence from finding this site.

    My signature shows what I am working with. I will list out my test results from today (using my amazing TF-100 test kit!) below. I would greatly appreciate some good advice in regards to what is most important to attack first given my levels and what type of pool/equipment I have. Currently, my chlorine production level is at 50% and the water temp is averaging about 85F. I live in Northwest Ga and it has been a brutal summer thus far.

    Thanks in advance!!!!

    7/15/15 levels
    salt- 3.9 GPL (I am pretty sure this needs to come down a bit)
    Cl- 2
    PH- 7.5
    FC- 1 ppm
    CC- 1.5 ppm
    TC- 2.5 ppm
    CH- 325 ppm
    TA- 70
    CYA- 55 ppm
    Pool (SWG)- 16,000 gal, Pebble Tec in-ground pool and in-ground hot tub (overflows into pool)
    Equipment- Chlorine generator (Nature2 Fusion Soft), Filter (Jandy Pro Series CV460), Pumps (main- Pentair Challenger 2HP/ Aux- Polaris PB4-60), Heater (Jandy Pro Series JXi), Cleaner (Polaris 280)

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    Re: MY 1st POST!!! Help me please!!!!!

    Good job in getting the kit! I don't have a SWG so I can't help you there, but in the meantime.....

    Your FC us too low, your CC is above .5 so you need to start the SLAM process. Turn off you SWG during SLAM.
    23K gallon, IG, Vinyl, Hayward DE-3600 Filter, Raypak 406A Heater, Hayward 1.5HP SP2610X15 pump aka AO Smith UST1152, TF-100 Test Kit

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    Re: MY 1st POST!!! Help me please!!!!!

    Welcome to TFP! The numbers you posted look pretty good. The problem i see is the fact that you do not have adequate FC for your CYA level and your CC are elevated. I recommend that you start by clicking on Pool School and start reading. This will get you familiar with the methods used on TFP.

    You will need to SLAM your pool...

    1. Keep your pump running 24/7 during the SLAM and turn off your SWG.
    2. Drop your pH to 7.2 using muriatic acid. Add 29 oz of 31% muriatic acid.
    3. Add plain bleach 8.5% to bring you FC to 24. This will be about 528 oz. Wait 30 minutes and retest your FC.

    4. Keep adding bleach to maintain 24 ppm at all times. The more you test and maintain that level the faster this will go.

    5. You are done with the SLAM when the following conditions are true:

    CC is 0.5 or lower
    You pass the OCLT
    Your water is crystal clear

    Stay away from the pool store and do listen to the advice given here by the experts. Those experts will be along shortly to help you...
    39YO 13K gallon former SWAMP/MONEY PIT, concrete bottom/Fiberglass Walls, Ecotech VS pump, Hayward Sand Filter, Dolphin DX5 Plus, Loop-Loc safety cover and YES, I have a TFT-100 test kit!

    Shock Level and Maintain - CL/CYA Chart

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    Mod Squad pooldv's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    Welcome to TFP!

    Congrats on the pool and new stuff!

    FC is low, CC is high. There is likely algae growing. Keep an eye on your filter, it will probably start clogging soon. Here is the link to the Pool School - SLAM - Shock Level And Maintain process.

    Here is my favorite page for saltwater pools, Pool School - Water Balance for SWGs. Print it out and put it with your test kit.

    It is important to never let your chlorine level drop below minimum for your CYA or algae will grow and the pool will be unsanitary. Use the Chlorine CYA Chart to set your chlorine level. Once the pool is cleared up you probably want to move your CYA up to 80ppm.

    I believe that 3.9 gpl of salt equals 3900 ppm. This might be a tad high but should be OK if your SWG is happy and making chlorine. I know that my Pentair SWG does not report high salt until 4500ppm. Check your SWG manual for the upper limit.
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    Acejoe100's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    Thanks so much guys for the advice. I will start "SLAM"ming that bad boy tomorrow!
    Pool (SWG)- 16,000 gal, Pebble Tec in-ground pool and in-ground hot tub (overflows into pool)
    Equipment- Chlorine generator (Nature2 Fusion Soft), Filter (Jandy Pro Series CV460), Pumps (main- Pentair Challenger 2HP/ Aux- Polaris PB4-60), Heater (Jandy Pro Series JXi), Cleaner (Polaris 280)

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    Re: MY 1st POST!!! Help me please!!!!!

    Quote Originally Posted by jaduck View Post
    ...
    2. Drop your pH to 7.2 using muriatic acid. Add 29 oz of 31% muriatic acid....
    All good suggestions and more explicit that mine!

    Why are you recommending to drop the PH to 7.2 when the recommended levels in the pool school all start 7.5?
    23K gallon, IG, Vinyl, Hayward DE-3600 Filter, Raypak 406A Heater, Hayward 1.5HP SP2610X15 pump aka AO Smith UST1152, TF-100 Test Kit

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    Re: MY 1st POST!!! Help me please!!!!!

    Recommended levels for the SLAM are 7.2 - 7.5. I think the reason is bleach raises your pH, so it is better to start with a lower pH...lower pH reduces chances of metal staining, calcium carbonate precipitation, and a lower pH helps you to retain FC.
    39YO 13K gallon former SWAMP/MONEY PIT, concrete bottom/Fiberglass Walls, Ecotech VS pump, Hayward Sand Filter, Dolphin DX5 Plus, Loop-Loc safety cover and YES, I have a TFT-100 test kit!

    Shock Level and Maintain - CL/CYA Chart

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    Acejoe100's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    Quote Originally Posted by jaduck View Post
    Welcome to TFP! The numbers you posted look pretty good. The problem i see is the fact that you do not have adequate FC for your CYA level and your CC are elevated. I recommend that you start by clicking on Pool School and start reading. This will get you familiar with the methods used on TFP.

    You will need to SLAM your pool...

    1. Keep your pump running 24/7 during the SLAM and turn off your SWG.
    2. Drop your pH to 7.2 using muriatic acid. Add 29 oz of 31% muriatic acid.
    3. Add plain bleach 8.5% to bring you FC to 24. This will be about 528 oz. Wait 30 minutes and retest your FC.

    4. Keep adding bleach to maintain 24 ppm at all times. The more you test and maintain that level the faster this will go.

    5. You are done with the SLAM when the following conditions are true:

    CC is 0.5 or lower
    You pass the OCLT
    Your water is crystal clear

    Stay away from the pool store and do listen to the advice given here by the experts. Those experts will be along shortly to help you...


    Forgive me if this is a dumb question but......in order to shut down my SWG, should I just change the chlorine production from 50% to 0%? -OR- is there some way to shut off only this piece of equipment? How long should I wait before turning it back on?

    I appreciate everyones' help with this! I am determined to learn how to properly care for my pool on my own.
    Pool (SWG)- 16,000 gal, Pebble Tec in-ground pool and in-ground hot tub (overflows into pool)
    Equipment- Chlorine generator (Nature2 Fusion Soft), Filter (Jandy Pro Series CV460), Pumps (main- Pentair Challenger 2HP/ Aux- Polaris PB4-60), Heater (Jandy Pro Series JXi), Cleaner (Polaris 280)

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    Mod Squad tim5055's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    Each SWG is a little different. Some as you say just change the % to 0. Others can be unplugged from electric or have an on off switch.

    Don't turn it back on until the SLAM is complete.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Piolin's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    You can't have a accurate reading of pH when your bleach will be higher than 10, also I think at this pH the bleach will be more effective fighting algae
    8,400 gal Intex, 3K GPH pump, 16" sand filter, SWG CG-28669, TF100 test kit, speed stir, K-1766 Taylor salt test.

    The corner stone of TFP
    Pool School - Chlorine / CYA Chart

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    Mod Squad pooldv's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    You might also be able to shut off a breaker to shut off the SWG. It depends how it is wired and there is no real standard. Changing output to 0% is probably best if there isn't an on/off switch.

    I also tend to recommend 7.2 PH before a slam. 7.2 is the bottom of the recommended range (7.2-7.8) for PH in a pool. Starting at the bottom instead of the middle gives more wiggle room.
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    Re: MY 1st POST!!! Help me please!!!!!

    I started SLAMming my pool this evening. I will keep this thread updated in case anyone has some good advice to add.

    Thursday evening
    1. Turned SWG to 0% production and set my pump to run 24/7
    2. added muriatic acid to get my PH from 7.5 to 7.2
    3. added 505 oz of 8.25% bleach
    4. Tested 30 min later (8 PM)- FC=21
    5. just tested again, twice actually (10:20 PM) - FC=18 and 17

    Does this sound normal for my FC to drop 4ppm in 2.5 hrs? Maybe I had a bad test on the first go around. I just tested it twice and got 18 then 17. Now I guess that I am supposed to keep testing and adding bleach to maintain a FC of 24 right?

    Thanks again for everyone's help!!!
    Pool (SWG)- 16,000 gal, Pebble Tec in-ground pool and in-ground hot tub (overflows into pool)
    Equipment- Chlorine generator (Nature2 Fusion Soft), Filter (Jandy Pro Series CV460), Pumps (main- Pentair Challenger 2HP/ Aux- Polaris PB4-60), Heater (Jandy Pro Series JXi), Cleaner (Polaris 280)

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    Richard320's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    If the pool is cloudy looking, I'd actually expect higher FC losses initially. Don't neglect to brush things while the water is at Shock level, and also don't be surprised if you see a large FC drop soon after brushing.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Mod Squad pooldv's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    Yes, that is possible. When the FC gets high it spreads out and gets to work oxidizing stuff.

    If your pump is 2spd then run it on low.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Acejoe100's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    Quote Originally Posted by Richard320 View Post
    If the pool is cloudy looking, I'd actually expect higher FC losses initially. Don't neglect to brush things while the water is at Shock level, and also don't be surprised if you see a large FC drop soon after brushing.
    It actually wasn't too terribly cloudy after the initial shock. I brushed the heck out of it right after, and I will continue brushing regularly over the next few days.

    How often do you recommend I test the FC level? Also, when doing the FC test, after I add the R-0870 (DPD Powder) and I begin to put in drops of R-0871, how important is it to do single drops then swirl after each single in the beginning? Could you do 5 (single) drops then swirl for the first maybe 20 drops (assuming that your FC is most likely well above 10ppm)? Just a little curious how this would affect your reading.
    Pool (SWG)- 16,000 gal, Pebble Tec in-ground pool and in-ground hot tub (overflows into pool)
    Equipment- Chlorine generator (Nature2 Fusion Soft), Filter (Jandy Pro Series CV460), Pumps (main- Pentair Challenger 2HP/ Aux- Polaris PB4-60), Heater (Jandy Pro Series JXi), Cleaner (Polaris 280)

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    Re: MY 1st POST!!! Help me please!!!!!

    The more often you replenish, the faster it's over. The SLAM instructions specify Test and adjust chlorine levels as frequently as practical, but not more than once per hour, and not less than twice a day. Chlorine additions should be frequent, especially at the beginning.

    Speed-dropping shouldn't affect the results, but you risk overshooting the stopping point.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Mod Squad pooldv's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    3 or 4 times per day is good. When you get good you can swirl with one hand and drop with the other non-stop! You know like pat your head and rub your stomach.
    TFP Moderator
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    Re: MY 1st POST!!! Help me please!!!!!

    Quote Originally Posted by Acejoe100 View Post
    Now I guess that I am supposed to keep testing and adding bleach to maintain a FC of 24 right?
    You must get the FC to 24 or slightly above and maintain that level...when you drop below 24 algae is gaining ground quickly. At first you can and will lose FC quickly, so it is important to test frequently at the beginning of your SLAM.

    Keep up the good work!
    39YO 13K gallon former SWAMP/MONEY PIT, concrete bottom/Fiberglass Walls, Ecotech VS pump, Hayward Sand Filter, Dolphin DX5 Plus, Loop-Loc safety cover and YES, I have a TFT-100 test kit!

    Shock Level and Maintain - CL/CYA Chart

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    Acejoe100's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    My salinity is at 4200 ppm which is pretty far over what is recommended for my system. Should I be concerned with this when I am SLAMing?
    Pool (SWG)- 16,000 gal, Pebble Tec in-ground pool and in-ground hot tub (overflows into pool)
    Equipment- Chlorine generator (Nature2 Fusion Soft), Filter (Jandy Pro Series CV460), Pumps (main- Pentair Challenger 2HP/ Aux- Polaris PB4-60), Heater (Jandy Pro Series JXi), Cleaner (Polaris 280)

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    Mod Squad pooldv's Avatar
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    Re: MY 1st POST!!! Help me please!!!!!

    No, it won't impact the slam. What is the high limit for your SWG? Mine is 4500ppm.
    TFP Moderator
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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