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Thread: Help me get this SWG back to running form!

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    swimcoachtdawg's Avatar
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    Help me get this SWG back to running form!

    As my signature says, the pool was built in 2007 with a SWG and for quite some time it was a dream to keep the pool in perfect order. However, about three years ago (the system was about 5 years old), everything started going wrong. First, the cell died, and I about died when I found out what it would cost to replace it. The pool company that built the pool said it was defective and some sort of recall, and replaced it at no charge. However, this was the first of many future shocks. Six months later, my pool heater core developed a leak, and after 1000 of repair/service costs, Hayward finally replaced it at no charge. The cost of all the chemicals to run the Mineral Springs system has always been an issue for me, so I'm glad to find out that what I suspected all along is true - -- that I can use what you all call "solar salt" instead of buying overpriced bags from the manufacturer. Next thing to go bad was the circuit board in the Mineral Springs. I bought one and replaced it myself and everything was back online for about a year. Now suddenly the system is telling me that the minerals dropped overnight from 2800 to 1400. I didn't know whether to believe it or not considering the problems I've had. I switched to chlorine tablets, since the store said I could use them until I find a solution, but of course now I see why my pH has been dropping like a rock and I'm constantly adding pH increaser and from what I've read now I know why.

    So, I guess my first step should be to get a good test kit and test the salt, to see if it really is as low as it says or if the cell has gone bad (again)?
    75'X12' 2-lane IG lap pool built in 2008. 33,000 gallons. Gunite construction with vinyl liner. All equipment is Hayward - cartridge filtration system, Mineral Springs SWG (not currently working - switched to adding chlorine manually), 300,000BTU natural gas pool heater. Also use a 4-panel solar system in summer. Pool is located inside a 25'X100' concrete block building w/natural gas forced air furnace/SIPS roof.

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    Patrick_B's Avatar
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    Re: Help me get this SWG back to running form!

    Welcome to TFP!

    A salt kit never hurts for sure. If I had a salt pool it would be a must have for me.
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    Texas Splash's Avatar
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    Re: Help me get this SWG back to running form!

    Here is a thread about some good salt test kits: Best Salt Test Kit?

    As for the FC, CC, CYA, PH, TA, and CH ... I love my TF--100.
    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
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    Mod Squad pooldv's Avatar
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    Re: Help me get this SWG back to running form!

    tftestkits.net has salt tests. No need to buy PH increaser. Here is a handy list of chemicals that you can buy at the grocery store.
    Pool School - Recommended Pool Chemicals
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    swimcoachtdawg's Avatar
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    Re: Help me get this SWG back to running form!

    Thanks for all the help. I got my TF-100 and the salt test over the weekend. I am in the process of getting everything else balanced before I tackle getting the SWG up and going. However, I do have one question that I am hoping someone can give me an answer to. As far as I can remember I believe that my Mineral Springs system has always used a T-15 cell. About a year ago the circuit board fried and I replaced it, following the directions. I was pretty sure I checked all the settings after installation and it was set for the T-15. However, today when I checked it again, it says it's set for a T-3. Now, of course, I can't find my book to see how to set it back to T-15. Can anyone tell me or direct me to a site that gives that information? Thanks!
    75'X12' 2-lane IG lap pool built in 2008. 33,000 gallons. Gunite construction with vinyl liner. All equipment is Hayward - cartridge filtration system, Mineral Springs SWG (not currently working - switched to adding chlorine manually), 300,000BTU natural gas pool heater. Also use a 4-panel solar system in summer. Pool is located inside a 25'X100' concrete block building w/natural gas forced air furnace/SIPS roof.

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    Mod Squad YippeeSkippy's Avatar
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    Re: Help me get this SWG back to running form!

    I found my manual (different brand) directly online. Try to Google it and download it to your computer.
    My Amazon Smile for November12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
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    Re: Help me get this SWG back to running form!

    When you are checking for the cell size and it says T-3, with the switch in the auto position, move the switch to super chlorinate and back to auto until the T-15 cell is shown and then exit by pressing the diagnostic button again.
    16k gal plaster with raised spa, Jandy DEV60 filter, 2 HP 2-speed SHPF Jandy Stealth pump
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    swimcoachtdawg's Avatar
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    Re: Help me get this SWG back to running form!

    Quote Originally Posted by ping View Post
    When you are checking for the cell size and it says T-3, with the switch in the auto position, move the switch to super chlorinate and back to auto until the T-15 cell is shown and then exit by pressing the diagnostic button again.
    You are the best ping! I spent over an hour today looking for this answer and never did find it. You're a lifesaver! So now the minerals setting shows 1800, instead of the 1000 it was showing. Everything else looks right, so assuming I got the pool balanced (I added based on the pool math and I'm going to do another test and make sure), the next step will be to add salt and see if the mineral springs records it properly. If not, I probably have another bad cell and I'll have to replace it next.
    75'X12' 2-lane IG lap pool built in 2008. 33,000 gallons. Gunite construction with vinyl liner. All equipment is Hayward - cartridge filtration system, Mineral Springs SWG (not currently working - switched to adding chlorine manually), 300,000BTU natural gas pool heater. Also use a 4-panel solar system in summer. Pool is located inside a 25'X100' concrete block building w/natural gas forced air furnace/SIPS roof.

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    swimcoachtdawg's Avatar
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    Re: Help me get this SWG back to running form!

    Now I'm a little confused by this SWG. After changing the cell, it started registering 1800, then about two hours later it increased to 2200. I turned it off again in each instance, since it was too low to generate chlorine anyway. This morning I turned it on just to check and the minerals showed 2400, but both the "check cell" and "low minerals" lights still came on. I can reset the "check cell" but it comes back on about an hour later. So I turned it off, tried again this afternoon, now it shows 2600, which matches the salt test from the test kit, but the two lights still come on and I can't seem to get the "low minerals" light to go off. Any ideas from the others who have SWGs?
    75'X12' 2-lane IG lap pool built in 2008. 33,000 gallons. Gunite construction with vinyl liner. All equipment is Hayward - cartridge filtration system, Mineral Springs SWG (not currently working - switched to adding chlorine manually), 300,000BTU natural gas pool heater. Also use a 4-panel solar system in summer. Pool is located inside a 25'X100' concrete block building w/natural gas forced air furnace/SIPS roof.

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    ned8377's Avatar
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    Re: Help me get this SWG back to running form!

    Check the salt again independent of the SWG. You probably need to add some but don't overdo it.
    True L 45,000 gal Hayward IG vinyl pool. Hayward Tristar 2.40 THP; 1.5 FRHP/1.60 SF. Hayward Model # S310T2 Sand Filter. Aqua Rite T-15. Aqua Comfort 154,000 BTU Heat Pump. TF-100

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    Mod Squad pooldv's Avatar
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    Re: Help me get this SWG back to running form!

    Salt readings and salt tests are about +/- 400 ppm. But, in the end if the SWG isn't happy then it will not make chlorine. So, you have to add enough salt to make it happy. The salt test is a sanity check because as SWGs get old and start to fail they report less and less accurate salt levels. So, you don't want your SWG to be reporting say 3000 ppm salt and you are adding salt up to 5000ppm per the test strip.

    Also, it takes about 24 hours with the pump running and a little brushing of the salt for it to dissolve.
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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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    Re: Help me get this SWG back to running form!

    Make sure the cell is clean of scale.

    When you go through the diagnostics it will show what level the instant salinity is. The salt level that is displayed without the diagnostics is the average salinity level over a period of time and that will slowly change. At 2600 the salinity is on the low side and I would add enough salt to raise it another 400 points.
    16k gal plaster with raised spa, Jandy DEV60 filter, 2 HP 2-speed SHPF Jandy Stealth pump
    Hayward Aqua Rite T-15 SWCG, Jandy LXi 400k BTU NG heater, 350 sq.ft. of Sun Star solar panels, TF-100 Test Kit, Dolphin s300i Cleaner
    Test Kits . Pool Math . Chlorine/CYA Chart . The SLAM Process

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    Re: Help me get this SWG back to running form!

    Make sure the SWG is turned off when adding salt.
    chiefwej
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    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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    swimcoachtdawg's Avatar
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    Re: Help me get this SWG back to running form!

    Ok, well I think the ship may have finally righted itself. I guess it just took a while for it to get things back to where they should be after changing the cell setting from T-3 to T-15. I'm still trying to figure out how I changed it (by accident, but not sure when), but nevertheless, it is now functioning, no lights and the salt reading (both the setting and the generation one) are at 2800. I know that's still a bit low, but our local Ace didn't have any solar salt and had to order it. Should be in tomorrow. In the meantime, I'm praising the salt gods that I don't have to put another 300-500 in this unit again
    75'X12' 2-lane IG lap pool built in 2008. 33,000 gallons. Gunite construction with vinyl liner. All equipment is Hayward - cartridge filtration system, Mineral Springs SWG (not currently working - switched to adding chlorine manually), 300,000BTU natural gas pool heater. Also use a 4-panel solar system in summer. Pool is located inside a 25'X100' concrete block building w/natural gas forced air furnace/SIPS roof.

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    Mod Squad pooldv's Avatar
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    Re: Help me get this SWG back to running form!

    Alright, good news!
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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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