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Thread: no chlorine reading

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    no chlorine reading

    I can honestly say I have never had this problem in 20 years. Opened a fairly clean pool a month ago. 2 weeks in we had a nasty wind storm and all the whirligigs from my neighbors maple tree landed in my pool. I cleaned them out pretty well, had another wind storm, more whirligigs. I vacuumed again. Water was clear. Then we had a nasty rain storm my pool turned GREEN and I have had problems since. My chlorine level never gets above .5. My Ph is 7.6, TA is 140, CYA is 50, CH200. I have dumped a lot of shock to no avail. I tried floc didn't drop anything down. Any suggestion??? I need to get this cleaned up. I've already spent a ton of money. And I added a quart of algaecide.
    26700 gal IG vinyl lined pool. Clean and Clear 100 sq ft cartridge system, 1 hp Pentair SuperFlo pump

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    duraleigh's Avatar
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    Re: no chlorine reading

    Welcome to the forum.

    Is your pool clear green or murky green? Got a pic?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Patrick_B's Avatar
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    Re: no chlorine reading

    Welcome to the forum!

    Enjoy your time on TFP
    TFP Moderator
    Essential Links:
    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

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    Re: no chlorine reading

    murky green can't see bottom in low end
    26700 gal IG vinyl lined pool. Clean and Clear 100 sq ft cartridge system, 1 hp Pentair SuperFlo pump

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    Re: no chlorine reading

    Welcome to TFP! Sounds like you need to order a recommended test it if you don't already have one and read up on the SLAM process.
    Lisa
    Intex AG vinyl 15' x 48" 4,300 gallons due to skimmer install, Krystal Clear SF pump combo 2800 GPH, Krystal Clear SWG, Pool Blaster Max vacuum, Hayward thru the wall skimmer, TF 100 test kit with speed stir, K 1766 Taylor salt test, My SLAM Process

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    Patrick_B's Avatar
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    Re: no chlorine reading

    Quote Originally Posted by Azgirl71 View Post
    Welcome to TFP! Sounds like you need to order a recommended test it if you don't already have one and read up on the SLAM process.
    X 2

    That's what it needs.
    TFP Moderator
    Essential Links:
    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

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    Re: no chlorine reading

    I have added 17 gallons of bleach and 3 bottles of tri-chlor shock. Never goes above .5. New test kit.
    26700 gal IG vinyl lined pool. Clean and Clear 100 sq ft cartridge system, 1 hp Pentair SuperFlo pump

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    Mod Squad tim5055's Avatar
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    Re: no chlorine reading

    Well, time for some Pool School. We teach a different process than traditional pool care. No floc, no clarifiers, and seldom do we use algecide.

    Lisa has explained that you need one of the recommended test kits, and the best one is linked in her signature.

    So, murky green - algae.

    I will propound the usual questions:

    What "new" test kit are you using now?

    What do you use to chlorinate on a routine basis?

    Did the algecide you used contain copper?

    Do you have a full set of test result, including:
    FC
    pH
    TA
    CYA
    CH

    And, where are my manners - Welcome to TFP!
    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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    Texas Splash's Avatar
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    Re: no chlorine reading

    appaloosastar, if you've owned a pool for 20 years, you may be sent in your ways on some things, like how you test, and what chemicals you put in the water, etc. If you're new to TFP, then might I suggest going into it without the pool store advice, products, and any possible bad habits. That's what I had to do. Don't waste your money on floc, 3" pucks, algaecides, or bags of shock. More than likely your chlorine (FC) is getting obliterated as soon as you put it in the pool because there's not enough to combat the algae. Just like the others said above, you probably need to follow the "SLAM" process and read a few of TFP's most important pages (links below). Most importantly, if you don't already have one of TFPs recommended test kits (i..e TF-100 link below), you MUST get one. Obtaining the readings you need for TFP can only be achieved from these type of kits, and they serve as the foundation for everything you will do.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    Re: no chlorine reading

    Not a Taylor Test kit, can't remember the brand off hand. It tests chlorin, .5, ph is 7.6, TA 130, CYA 50, CH 200. Algaecide did not contain copper. And yes I am trying to go BBB method but wondering if thats where I got into trouble. I recently added 2 tri-chlor tablets to my chlorinator to try to raise the chlorine level. Nothing. More bleach??
    26700 gal IG vinyl lined pool. Clean and Clear 100 sq ft cartridge system, 1 hp Pentair SuperFlo pump

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    Re: no chlorine reading

    Ok I'll order the test kit today and I'll go for more bleach. I'll trash pump out the floc somehow, add fresh water. You are probably right I'm set in my ways. I owned and operate a pool business with my husband for 30 years. I had a salt water system until 2 years ago and we decided to do chlorine. Guess I'm starting all over. Thanks for your help.
    26700 gal IG vinyl lined pool. Clean and Clear 100 sq ft cartridge system, 1 hp Pentair SuperFlo pump

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    Texas Splash's Avatar
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    Re: no chlorine reading

    Those "tabs" will cause more pain than they're worth - suggest you turn it off or empty it. Stick with "regular" bleach only. The TFP-recommended test kits are a must. Other kits on the market are either inconsistent or do not provide the high-level readings needed. Take a moment to digest the info from the links below and you'll be in a much better position to keep your levels accurate.

    - - - Updated - - -

    Our pleasure! We're just like you ... pool owners who want to get the most out of their investment. Summer is almost here, so we all want a sparkling pool when friends come over.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    Re: no chlorine reading

    What we teach here is a little different than what you're used to probably but it really works very well. I commend you for being open to our suggestions after so many years. I'm not faulting you for getting away from salt, but it makes me curious about why. Lots of people really love it, but I'm very happy with just manual Bleach addition myself. I hope you stay around and enjoy our forum. After that long in the business I'm sure you have some good stories to share with us too.
    TFP Moderator
    Essential Links:
    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

  14. Back To Top    #14

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    Re: no chlorine reading

    Quote Originally Posted by appaloosastar View Post
    I have added 17 gallons of bleach and 3 bottles of tri-chlor shock. Never goes above .5. New test kit.
    I'm new to having a pool this year, but this sounds like my situation when opening. I was dumping gallon after gallon of bleach in, and nothing registering. I came here and it was suggested that the CYA turned to ammonia over the winter, which I believe was the case. Finally, about 50 gallons of bleach later, I have a reliable measure of FC and CC.
    20000 gallon vinyl liner in ground pool
    16' X 34' rectangular diving pool
    Hayward Pro Grid DE Filter
    Hayward 1 hp Super Pump
    TF-100 Test Kit Stenner 45MPHP10

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    Re: no chlorine reading

    Based on the vast amount of experience from TFP'ers on this site, I don't think we'll ever know everything there is to know about pool maintenance. But in my opinion, this is the best place to learn. Lots of knowledge and lessons-learned from people wiling to share. We all learn something new in TFP.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

  16. Back To Top    #16

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    almost ready to start over

    Since my last visit I have trash pumped all the floc from my pool and re-filling now. I probably emptied half the water. After owning a pool company for many years and owning a pool for 20+ years I believe that even an old dog can learn new tricks so here we go.....

    I have 20 gals of bleach on hand to start my SLAM. I know that I first need to raise my CYA to at least 30 and my PH to 7.2...right? My new Taylor test kit K-2006 should be here Tuesdayish so until then I can use the OTO to get started.

    I still have my SWG and probably a year left on the cell so I may get that up and running once I get the pool stable and blue. Can't use it anyway until things are ready to go. We'll see.

    I have many stories after being in the pool business with my husband for 30+ years and I never thot I would need a forum to help me with a chemical issue, boy was I wrong.

    Any suggestions and advice is always appreciated.
    26700 gal IG vinyl lined pool. Clean and Clear 100 sq ft cartridge system, 1 hp Pentair SuperFlo pump

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    Task's Avatar
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    Re: almost ready to start over

    Definitely need to get some CYA in the water, but the question is how much. You should have some CYA in the water already since you only emptied about half the water in the pool. As far as getting started on the SLAM with the OTO, I don't think you will be able to properly SLAM until your kit arrives in a couple days. Off the top of my head, if I remember correctly, SLAM level for CYA of 30 is 12ppm FC. I don't think the OTO goes that high. You'll also need the CYA test thats recommended from tftestkits.net so you can accurately test your CYA (I believe that is sold with the Taylor kit you ordered. Not sure as I have the TF100).

    I'd stick to just adding some bleach everyday until your new kit arrives and you can get some accurate test results. Good luck and welcome to the forum.
    16'x32' Inground Vinyl, 21,100 gallons, Hayward 1.5 HP Super Pump, Hayward Pro Series S244T 3.1ft Sand Filter
    TFTestKits, Pool School, ABC's of Pool Water Chemistry, Chlorine/CYA Chart, PoolMath

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    Re: almost ready to start over

    Welcome to TFP. The advice on this forum works really well. You will be happy that you came here for help. The test kit you order will be helpful, but you might run out of reagents during your SLAM. You should consider ordering a few refills, especially the FAS-DPD. I suggest that you order this refill so that you don't run out:
    TFTestkits.net

    Until your Taylor kit arrives, you can safely add one jug of 8.25% bleach a day until your kit arrives. This will keep things from getting much worse.

    In the mean time, check these out:
    How to SLAM: Pool School - SLAM - Shock Level And Maintain

    Play around with pool math so you know how much chems to add:
    http://www.troublefreepool.com/calc.html

    Chlorine/CYA chart: Pool School - Chlorine / CYA Chart
    Karen
    33K IG w spa plaster, Pentair 1HP Whisperflo, DE Filter, SWG CircuPool RJ-60, Dolphin Triton Plus, Raypak Dig 336K BTU, TF-100.
    Pool Math Chlorine / CYA Chart SLAM - Shock Level And Maintain
    2017 replaster/retile

  19. Back To Top    #19
    Texas Splash's Avatar
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    Re: almost ready to start over

    Appaloosastar, I seem to remember you visiting us a day or so ago. Welcome back. Nice to see you are all geared-up and ready to SLAM. You've already received some outstanding advice, so press-on with pride! Let us know when your kit arrives and re-post a new set of numbers for us. Everyone here will be more than happy to assist if you have any questions.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

  20. Back To Top    #20

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    Re: almost ready to start over

    Yep that was me and you Texas Splash are the reason I adjusted attitude and got back in the game. I'm looking foirward to a clean blue pool and salt water to boot. Thank you. I'll post numbers when the test kit arrives.
    26700 gal IG vinyl lined pool. Clean and Clear 100 sq ft cartridge system, 1 hp Pentair SuperFlo pump

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