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Thread: What are best sources of chlorine?

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    What are best sources of chlorine?

    I've been using the 12% shock, ie double strength bleach from leslies/lowes/home depot.

    It's a pain to carry the liquids, are there any good powder alternatives?

    Leslies carries:

    power powder plus-- 65-70% Calcium Hypochlorite, no disclosure of other chems, no stabilizer ie cya includes

    power powder pro -- ibid

    chlor brite-- includes stabilizer, not good, right?

    fresh & clear-- 38% Potassium Monopersulfate, "no chlorine", huh, is that good

    genesis shock - no details provided trichlor shock"

    chlor brite -- 99% dichloro-s-triazinetrione, which provides 56% available chlorine, the highest you will find for any dichlor powder,
    includes stabilizer NB: reacts with other chlorines to release chlorine and may cause explosion or fire, oh that's real friendly
    36K gal, gunite w/ plaster,[18W x 38L x 8 deep end] 300SF cartridge, 80-100 GPM filter, Sta-rite S7M120 and Polaris 9300 electric robot. Rooftop 6 panel Solar heater, Sacramento Valley, Climate Zone 8

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    Re: What are best sources of chlorine?

    Found info on tri-chlor. adds much cya

    Trichloroisocyanuric acid in swimming pools is easier to handle than chlorine. It dissolves slowly in water, but as it reacts, cyanuric acid concentration in the pool will build-up. At high cyanuric acid concentrations, normal chlorine levels can be rendered ineffective, requiring either dilution by draining and refilling the pool or by adding abnormally high doses of chlorine to overcome this effect.
    36K gal, gunite w/ plaster,[18W x 38L x 8 deep end] 300SF cartridge, 80-100 GPM filter, Sta-rite S7M120 and Polaris 9300 electric robot. Rooftop 6 panel Solar heater, Sacramento Valley, Climate Zone 8

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    Richard320's Avatar
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    Re: What are best sources of chlorine?



    It all depends on what the CH and CYA levels in the pool are. Check out Effects of Adding Chemicals in http://www.poolcalculator.com/ to see what happens to the pH as well.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Re: What are best sources of chlorine?

    i forgot cal-hypo was in the calculator, i was just using it for bleach type chlorine...
    36K gal, gunite w/ plaster,[18W x 38L x 8 deep end] 300SF cartridge, 80-100 GPM filter, Sta-rite S7M120 and Polaris 9300 electric robot. Rooftop 6 panel Solar heater, Sacramento Valley, Climate Zone 8

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    Re: What are best sources of chlorine?

    Since you have over 60 post to this forum you should already know the answer to that question. What you have been using (liquid chlorine/bleach) is the best form of chlorine because it adds nothing else to the pool. Yes, the bottles can be a bit of a challenge but in my opinion it's worth it. With your size pool you are probably using almost 1 gallon of 12% per day. I use 1 jug (121oz) of the 8.25% per day and it's not that bad. I usually stock up with two weeks supply or whenever I am at Sam's or Costco.

    Or you could get a SWG. I hear that makes it super easy to take care of your pool. No jugs to lug.
    23x40 freeform w/spa, 28,000 gal. PCC-2000 in-floor cleaning. Pebble Sheen w/flagstone coping. 14' weeping wall, (2) 18" sheer descents. Sta Rite- cart 400 sqft. filter, Intellipro VS pump, 1hp (cleaning)2hp (water feature)Max E Pro's. Easy Touch 8 function w/IPod. Rainbow chlorinator, Paramount Clear O3 (I know, I know), Max-E-Therm 400K heater.

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    schertzy82's Avatar
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    Re: What are best sources of chlorine?

    Sounds like you'd be a good candidate for a SWG.
    Intex 18ft x 52in Ultra Frame Pool, hard plumbed w/skimmer and fountain
    Intex 4000 gph cartridge filter pump
    Intex SWG

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    Re: What are best sources of chlorine?

    Never scrolled down to bottom to the effect of adding chemicals, cal-hypo adds CH and the only remedy is to replace water. ugh. so back to 12% bleach
    36K gal, gunite w/ plaster,[18W x 38L x 8 deep end] 300SF cartridge, 80-100 GPM filter, Sta-rite S7M120 and Polaris 9300 electric robot. Rooftop 6 panel Solar heater, Sacramento Valley, Climate Zone 8

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    Re: What are best sources of chlorine?

    Hmmm, I think I'm using about 3-4 gallons per week, but now when in 100F's more like 5-6. not very consistent record keeper.

    I'm only really having 2 issues with this:

    1. transport of the chlorine. I found out the main problem was home depot, there pallet of shock was in the sun, so much gas was released in
    car ride home. switching to lowe/leslie with cooler bleach solves the issue, or putting HD shock in a yard garbage bag also works.

    2. amount of chems to add

    Here was pool service for $60/mo
    -- once a week visit
    -- pour some liquid, max 1/2 gal into pool
    -- gone, occassionly throw in some other liquid for algae

    Me
    -- test 3-5 times a week
    -- add 12% bleach 2-4 times a week
    -- add acid maybe once a week

    Comments by family: "You're doing something wrong and adding too many chemicals to the pool"
    36K gal, gunite w/ plaster,[18W x 38L x 8 deep end] 300SF cartridge, 80-100 GPM filter, Sta-rite S7M120 and Polaris 9300 electric robot. Rooftop 6 panel Solar heater, Sacramento Valley, Climate Zone 8

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    Isaac-1's Avatar
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    Re: What are best sources of chlorine?

    My concern with the HD liquid chlorine would be how fresh is it, and how much has it degraded being stored in those condition, liquid chlorine looses strength over time, and does so faster the warmer the temperature is.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
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    Re: What are best sources of chlorine?

    If you are only using 4 gallons a week you are only losing about 2ppm of chlorine a day. That on the low side. You are doing well. A SWG would make things really easy for you.

    I don't see how your pool service was able to keep things looking good with that amount of chlorine.
    23x40 freeform w/spa, 28,000 gal. PCC-2000 in-floor cleaning. Pebble Sheen w/flagstone coping. 14' weeping wall, (2) 18" sheer descents. Sta Rite- cart 400 sqft. filter, Intellipro VS pump, 1hp (cleaning)2hp (water feature)Max E Pro's. Easy Touch 8 function w/IPod. Rainbow chlorinator, Paramount Clear O3 (I know, I know), Max-E-Therm 400K heater.

  11. Back To Top    #11

    Re: What are best sources of chlorine?

    thank you all. so the next time the family says I'm using too many chemicals, I just say the forum says No, it's about right.
    36K gal, gunite w/ plaster,[18W x 38L x 8 deep end] 300SF cartridge, 80-100 GPM filter, Sta-rite S7M120 and Polaris 9300 electric robot. Rooftop 6 panel Solar heater, Sacramento Valley, Climate Zone 8

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    Smykowski's Avatar
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    Re: What are best sources of chlorine?

    Does the family have pools? How do they test and maintain their water? (Have I made my point? It sounds to me like you're doing fine.)
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
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    Re: What are best sources of chlorine?

    Have you done anything with your CYA level? June 25th you posted it was 30 - 35. I didn't see a location but did notice you talking about 100 degree weather.
    12500 gallons, 24 foot round above ground
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  14. Back To Top    #14

    Re: What are best sources of chlorine?

    cya is about 50, I'll recheck tomorrow. it's too dark now. location is sacramento valley. we've had a heat wave of over 100, usually about 105 for last 6 days.
    Not exactly clear on the standard for cya testing. Is it just as dot begins to disappear or when the dot has disappeared, ie fuzzy dot or no dot.


    and yes you made your point. rest of family with pools hire pool service. we're getting a new multi speed pump next week, but that should not effect chemistry.
    36K gal, gunite w/ plaster,[18W x 38L x 8 deep end] 300SF cartridge, 80-100 GPM filter, Sta-rite S7M120 and Polaris 9300 electric robot. Rooftop 6 panel Solar heater, Sacramento Valley, Climate Zone 8

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    Re: What are best sources of chlorine?

    CYA test is when the dot is completely gone. No hint of it at all.


    John
    7 year old ~13,500 gal 24' AGP with 1.5 hp Proline pump, 150 sqft Pleatco cartridge, filled with well water with pH of about 4.5.
    Wanda the Whale pool vacuum, home made heater, Taylor K-2006
    Cloudy Pool? 1) Order test kit. 2) Follow SLAM
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  16. Back To Top    #16

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    Re: What are best sources of chlorine?

    You can remind your family that about 75% of what you are adding from those bottles is water. Chlorinating liquid and bleach are not as concentrated as Trichlor or Cal-Hypo or Dichlor, but the larger added amounts shouldn't be of concern. The frequency of addition is due to the fact that the alternative of using slow dissolving tablets, Trichlor, increases the Cyanuric Acid (CYA) level in the pool and that reduces chlorine's effectiveness over time as the CYA level rises (assuming you aren't raising the FC proportionately).

    If you want to be like the pool service and use Trichlor tabs and only adjust things once a week, you can, but it will cost you more since you'll need to spend extra money to prevent algae growth via algaecides or phosphate remover and you might need to shock the pool or use clarifier products to keep it clear as the chlorine becomes less effective or you may need to do a partial drain/refill to lower the CYA level. Is that what your family would prefer? If they are happy with the result of a clean and clear pool and not having to pay as much for a pool service, they shouldn't be complaining.
    16,000 gallon outdoor in-ground 16'x32' plaster pool; Pentair Intelliflo VF pump; Pentair IntelliTouch i9+3s control system; Jandy CL-340 square foot cartridge filter
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    y_not's Avatar
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    Re: What are best sources of chlorine?

    Family aaaalllways seems to know better, huh? :P
    No one questions me much, because I'm the super nerd of the family and my dad is Mr. Fix It. lol

    I do get some comments though, but they're all about "over complicating" it.
    It kinda annoys me, but I'm used to it, as I always take the knowledge route! They always come to me when their stuff breaks..... "Tony, can you fiiixx this pls?"
    Knowledge is power, Right Richard?

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  18. Back To Top    #18

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    Re: What are best sources of chlorine?

    Quote Originally Posted by chem geek
    If you want to be like the pool service and use Trichlor tabs and only adjust things once a week, you can, but it will cost you more since you'll need to spend extra money to prevent algae growth via algaecides or phosphate remover and you might need to shock the pool or use clarifier products to keep it clear as the chlorine becomes less effective or you may need to do a partial drain/refill to lower the CYA level. Is that what your family would prefer?
    Not to mention also having to constantly add baking soda and Borax to offset the acidity of the trichlor.
    John
    7 year old ~13,500 gal 24' AGP with 1.5 hp Proline pump, 150 sqft Pleatco cartridge, filled with well water with pH of about 4.5.
    Wanda the Whale pool vacuum, home made heater, Taylor K-2006
    Cloudy Pool? 1) Order test kit. 2) Follow SLAM
    New to TFPC? Read Pool School a few times, then post questions. PoolMath will help with chemical additions.

  19. Back To Top    #19

    Re: What are best sources of chlorine?

    Here are today's numbers:

    Water Temp 84F [turned off solar heater]
    FC 6.5
    CC 0
    PH 7.2
    TA 100
    Calc Hard 550
    CYA 30

    So it looks like I should raise CYA. Questions:

    1- would you recommend raising to top end of 50 via liquid stabilizer?

    2- If you are just using 10% bleach, "shock", and acid, shouldn't you want this target number at the high end of the scale?


    Thinking some more about the chemical usage family comments, it's because I've run 3 algae shock treatments. Instead of using
    copper, I ran normal shock and then a mustard shock as some was left. Finally thought I missed some and wanted to be sure not
    to leave any residual so ran a 3rd treatment. Now don't expect to have to hit it again, as long as I keep FC at least at 5.0.

    Thank you all for your comments and suggestions. Some of us are rapid learners, and some have to hear several times to retain the knowledge.
    36K gal, gunite w/ plaster,[18W x 38L x 8 deep end] 300SF cartridge, 80-100 GPM filter, Sta-rite S7M120 and Polaris 9300 electric robot. Rooftop 6 panel Solar heater, Sacramento Valley, Climate Zone 8

  20. Back To Top    #20

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    Re: What are best sources of chlorine?

    I understand your pain, hauling bleach for a large pool gets old pretty quick. Installing an SWG should cost you less than a thousand bucks, and makes things very easy. Just have to watch the pH.
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
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