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Thread: Trying to figure out SWG settings

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    Exclamation Trying to figure out SWG settings

    Hi everyone,

    First and foremost, I know there is a TON of information in the other threads and Pool School regarding filter run times, SWG percentage, and related topics. I've dug through just about all of it, and still can't seem to figure out what settings make sense for me. I'm hoping no one gets mad about me not doing more of the work for myself, but I've always lived by the adage of not reinventing the wheel if I don't need to.

    With that said, here's all the info I've gathered at this point:

    • My pool is about 6 weeks old.
    • My pump: Hayward SP3400SVP
      • 600-3450 RPMs
      • 3 hp
      • 2.5" pipe

    • My SWG was connected about a week ago and is maintaining at around 3200 ppm pretty consistently.
    • It's currently at 50%
    • I'm running my pump 12 hours/day (4 hours at 80% and 8 hours at 20%). I have NO IDEA if this is good or not.
    • I've been adding chlorine seemingly constantly to keep the FC levels up. Admittedly, I just ordered my TF-100 so I have no idea what my CYA is yet. My water is beautifully clear (I've been doing the FC and pH test daily and adding as necessary), but I know I need to get my overall chemistry under control. Once my TF-100 gets here, I'll be all over it.


    Anyway, my questions are as follows:
    • Given my current place in the evolution of my pool, does anyone have a recommendation for my:
      • Filter Schedule, including the speeds I should be running my filter at.
      • Chlorination %: Should I raise it from 50% so that I can stop adding jugs of chlorine?

    • Given all of my stats, I still can't seem to figure out how to calculate my (I know all of these would help me make these decisions):
      • Total head
      • GPM
      • Turnover Time


    I apologize again if this seems redundant to the other posts, but I still feel stuck. Thanks in advance for any help!!

    Very Respectfully,

    Chris
    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

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    JoyfulNoise's Avatar
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    Re: Trying to figure out SWG settings

    Quick response -

    1. No advice until you get your TF-100. Just keep doing what your doing until it arrives then hit us with the numbers.

    2. Don't worry about head loss, RPMs and turnovers. At the end of the day, pump run times are going to be dictated by two factors - maintaining the proper FC/CYA ratio AND how does your pool water look TO YOU! That's all that matters.


    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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    Re: Trying to figure out SWG settings

    Was afraid you'd say that, but thanks . Is there, by chance, a "starting schedule" you might recommend that I will then adjust off of when I get my numbers? I feel like what I'm doing right now is so random.


    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

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    Re: Trying to figure out SWG settings

    It's very hard to say without knowing your CYA value. If CYA is low, then you need to run your SWG hard to get any measurable FC. If your CYA is at the recommended level, then I'd say run the SWG at 50% output for 12 hours and let's see what you get. If it's too high, then you dial back pump run times. If it's too low, then more pump or more SWG output or BOTH.

    When does your test kit arrive?


    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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    Re: Trying to figure out SWG settings

    Thanks Joyful! I hope I didn't sound ungrateful for the advice. I ordered the test kit yesterday, so it should arrive sometime next week. You know how it is though--weekends are project times so I am all geared up to work on my pool with nothing I can really do!

    I have a feeling my CYA is going to be very low because I can't seem to maintain chlorine levels.


    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

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    Re: Trying to figure out SWG settings

    Quote Originally Posted by ceedubbadubba View Post
    Thanks Joyful! I hope I didn't sound ungrateful for the advice. I ordered the test kit yesterday, so it should arrive sometime next week. You know how it is though--weekends are project times so I am all geared up to work on my pool with nothing I can really do!

    I have a feeling my CYA is going to be very low because I can't seem to maintain chlorine levels.


    Sent from my iPhone using Tapatalk
    No worries, your comment was fine with me.

    Well, I'll be whipped with a wet pool noodle for suggesting this, but you could swing by a couple of different pool stores and try to compare a few water samples. It may be a wild goose chase but at least it gives you something to do. Or, you can try to see if any of those stores carry a CYA test kit, you never know.

    In the grand scheme of things, the time you spend waiting for your TF-100 to arrive is nothing compared to the life of the pool and the number of tests you will perform. So consider it a short respite before the deluge...yoga and meditative chanting will help pass the time


    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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    Re: Trying to figure out SWG settings

    Haha thanks joyful. You've been very helpful. I suppose I can be patient for a few days


    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

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    Re: Trying to figure out SWG settings

    Lake Elsinore, CA....I remember driving by there on my way to Perris with the kids to go to a Thomas The Tank Engine day at the railway museum. My wife's side of the family are all model train nuts and it rubbed off a bit on my kids. Lake Elsinore is very nice...
    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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    Re: Trying to figure out SWG settings

    Yup, we like it here. It's grown up quite a bit in the last few years.

    OK, I have another related question: In the meantime (or even after I get all my numbers), is there any downside to turning my salt cell up over 50% to try to bring my FC up that way? I'd love to stop pouring money down the drain with jugs of chlorine
    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

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    Re: Trying to figure out SWG settings

    Sure, that's ok. In the short run its not going to hurt your cell. Once we get a handle on your chemical levels, we can adjust it back down.

    Send it up to 80% and see what you get.


    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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    Re: Trying to figure out SWG settings

    Quote Originally Posted by ceedubbadubba View Post
    Yup, we like it here. It's grown up quite a bit in the last few years.

    OK, I have another related question: In the meantime (or even after I get all my numbers), is there any downside to turning my salt cell up over 50% to try to bring my FC up that way? I'd love to stop pouring money down the drain with jugs of chlorine
    Yes, I know that makes me sound like a cheapskate. It just feels like I'm chasing my tail when I add chlorine every day. Again, I'm almost positive my CYA is horrible.
    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

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    Re: Trying to figure out SWG settings

    Quote Originally Posted by ceedubbadubba View Post
    Yes, I know that makes me sound like a cheapskate. It just feels like I'm chasing my tail when I add chlorine every day. Again, I'm almost positive my CYA is horrible.
    I totally understand. But know this, you will always need some bleach on hand just in case. I like to run my cell at a consistent % output during the swim season and then I bump my FC up using bleach during high bather load times. I prefer not to fool around with SWG too much. Then again, I can get high strength liquid chlorine for cheap in refillable gallon containers from a mom&pop local pool store here, so I don't worry about the additional cost.


    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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    Re: Trying to figure out SWG settings

    I have a suggestion as to what to do while waiting for your test kit....read everything in Pool School. You've read it, good, read it again. There is enough information there to fill a couple college courses. It took me several times through before it all began to fit together and make sense. Oh, and after that, spend some time getting real familiar with Pool Math. You will be using that a lot.

    Seriously, it really helps to try to get ahead of things, so that you have a good understanding when issues come up.
    chiefwej
    Tucson, AZ
    16x36 rectangular (19k) Pebble Tec play pool/spa, Pentair Intelliflo VS 011018, Super II 2hp (spa), Aqua Rite T-15 SWG, Pro Grid 60 DE, Hayward H400 & Heliocol Solar heating, A&A infloor system, fill water w/high CH and TA, 50 ppm borates,TF-100 test kit

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    Re: Trying to figure out SWG settings

    Hey!

    I got my TF-100 and just ran it for the first time! Here are my results:

    pH=7.4
    FC=.5 ppm
    CC=1 ppm
    TC=1.5 ppm
    CH=275 ppm
    TA 50-60 (it was light pink at 50 and red at 60)
    CYA=20+ (The black dot surely became hazy, but I could always see it.)

    I currently have my SWG set at 80% and have not added any chlorine for about a week. My FC results had been fairly consistent around 3 ppm since I bumped the SWG to 80%, but I had a party this weekend, so my swimmer load was fairly high.

    I'm a little surprised that my CH was within range. I have white soft chalky deposits developing in the nooks and crannies of my artificial rock work. I'm a little concerned with that and hope you guys can give me some advice.

    Thank you!
    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

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    Re: Trying to figure out SWG settings

    You need to raise your CYA. You should be in the 60-70 range. Otherwise you will be overworking the SWG to maintain FC level.
    chiefwej
    Tucson, AZ
    16x36 rectangular (19k) Pebble Tec play pool/spa, Pentair Intelliflo VS 011018, Super II 2hp (spa), Aqua Rite T-15 SWG, Pro Grid 60 DE, Hayward H400 & Heliocol Solar heating, A&A infloor system, fill water w/high CH and TA, 50 ppm borates,TF-100 test kit

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    Re: Trying to figure out SWG settings

    Yep, thanks Chief. That's definitely what I saw. Do you (or the forum in general) recommend a specific product to do that? Is all CYA in granular form? Just looking for some specifics. Thanks!!


    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

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    Re: Trying to figure out SWG settings

    Quote Originally Posted by ceedubbadubba View Post
    Yep, thanks Chief. That's definitely what I saw. Do you (or the forum in general) recommend a specific product to do that? Is all CYA in granular form? Just looking for some specifics. Thanks!!


    Sent from my iPhone using Tapatalk
    Granular is the cheapest way to get 99.9% CYA. You can find liquid conditioner but it's typically more expensive than granular and it's only ~30% available CYA, the rest is inert liquid.


    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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    Re: Trying to figure out SWG settings

    Also, I know Pool School recommends keeping Salt 200-400 ppm above recommended optimum level. My SWG recommends a range of 2700-3400. Does that mean I should be all the way up to 3600-3800? Or just to the higher end of the recommended range?


    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

  19. Back To Top    #19

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    Re: Trying to figure out SWG settings

    Quote Originally Posted by JoyfulNoise View Post
    Granular is the cheapest way to get 99.9% CYA. You can find liquid conditioner but it's typically more expensive than granular and it's only ~30% available CYA, the rest is inert liquid.


    Sent from my iPhone using Tapatalk
    Thanks joyful! Is there a particular brand you recommend?


    Ceedubbadubba (Chris) -- Lake Elsinore, CA. 14k gallon Pebble play pool/spa (3.5-5.5-3.5), Hayward 400k BTU Heater, cartridge filter 5025, EcoStar variable speed 3hp pump, Goldline PS-4 Automation System w/ remote & AutoConnect Platform (Cell phone control), Goldline Salt System, Hayward ThePoolCleaner Vacuum, 360 degree rock coping with 2 water rocks and a built in fire bowl, real peat moss accents along with 8 starfish and skull.

  20. Back To Top    #20
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    Re: Trying to figure out SWG settings

    Quote Originally Posted by ceedubbadubba View Post
    Thanks joyful! Is there a particular brand you recommend?


    Sent from my iPhone using Tapatalk
    I've used BioGuard brand (found at Leslie's) without issue. This season there were lots of reports of bad CYA from Walmart which is HTH brand. We never verified it but lots of people complained about HTH brand not registering at all.

    As for salt levels, set your level based on your SWG - if you need 3400ppm, add enough salt to get to 3400ppm on the cell output. Don't overshoot unless you expect a lot of rain water dilution.


    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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