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Thread: Hayward AquaTrol HP issues

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    Join Date
    Jul 2013
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    Coastal North Carolina
    Posts
    27

    Hayward AquaTrol HP issues

    Hello all:

    First of all I would like to say thank you for your advice on closing my pool last fall!!! I opened this year to a crystal clear pool. Now I have had the pool up and running for three weeks now, but I just can't seem to get this stupid SWG right. I purchased a Hayward AquaTrol HP last August and toyed with its settings until I closed the pool (around October)…. When I opened this spring and added water to fill the pool my readings were as follows two days after a shock.
    ph 7.5
    FC 9.5
    CC 0.5
    TC 10.0
    TA 120
    CH 130
    CYA 20
    Salt 2200

    I also noticed that the "Check Salt" and the "Inspect Cell" LEDs were lit on the SWG. I am not home often so I figured I would run it 24 hours hoping that the cell would kick in and start to generate. I also gradually added 6 lbs of Stabilizer, and 100 lbs of salt. I shocked again on Monday.

    Today I was home, so I looked at the LEDs again and they are still on. My salt reading is now at 2300 and my FC is at 4.0, and CYA is at 50. So I took the cell out and soaked it for 20 minutes in a 20% Muriatic Acid bath as stated in the manual to see if there was any scaling. I installed it and let it run for an hour, but the LEDs are still lit. I looked up how to recalibrate the salt reading because the AquaTrol was reading lower than my drop test. Got that number right and it is still showing these two steady LED lights.

    So I have two questions. One is what is up with this thing?? We are going out of state on Tuesday for a period of ten days, and Id really like to have this be reliable enough to trust it so we don't come back to a swamp pool. My second question is where the heck did my 100 lbs of salt go??
    Jeremy

    15x30 52 inch Above Ground, vinyl liner, 11,500 gallons, 21 inch Sta-Rite sand filter, 1.5hp Sta-Rite pump. Hayward Aqua-Trol HP SWG

  2. Back To Top    #2
    JasonLion's Avatar
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    May 2007
    Location
    Silver Spring, MD
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    37,879

    Re: Hayward AquaTrol HP issues

    If salt is indeed around 2,300, then the salt level really is too low and you need to add more salt. What does the drop based salt test say?

    It is normal for the salt test and the SWG to disagree by a couple hundred, neither of them is all that precise so some variation is normal. But they shouldn't disagree by 1,000+.

    I noticed that your CYA level is also low. Perhaps you have somehow been having a lot of water replacement? CYA should be around 70 to 80 with a SWG.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3

    Join Date
    Jul 2013
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    Coastal North Carolina
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    Re: Hayward AquaTrol HP issues

    The drop test reads 2300. The SWG read 1900 at first. I recalibrated it, and it came back at 2300 as well so I left it be. I can add more salt today, but it won't be until this afternoon because I just got off shift and we had a busy night. I need to go to bed for a bit. I think what I am going to end up doing is just shut the SWG off, shock the pool, and pick up some chlorine tabs and add those to get me over the trip. We will be gone for about 10 days so I can't just leave it that long. Will shutting off the SWG and adding chlorine pucks cause any damage??
    Jeremy

    15x30 52 inch Above Ground, vinyl liner, 11,500 gallons, 21 inch Sta-Rite sand filter, 1.5hp Sta-Rite pump. Hayward Aqua-Trol HP SWG

  4. Back To Top    #4
    elwood58's Avatar
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    May 2012
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    Sun City West Arizona (2nd Home)
    Posts
    639

    Re: Hayward AquaTrol HP issues

    Get your salt up to 3000-3400 and you should be fine. No need to shock, but with your CYA being a little low, you could throw a floater in with some pucks as insurance.
    19204 Gallon L Shape with a 10X10 2nd Step Baja Ledge. Intellichlor IC-40, IntellipH, Cartridge Filter, Pentair Heater/Chiller (Heat Pump). Tons of Deck with Deck Jets. Construction Complete 6/5/17.

    "If you don't measure it, you can't manage it!"

  5. Back To Top    #5

    Join Date
    Jul 2013
    Location
    Coastal North Carolina
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    27

    Re: Hayward AquaTrol HP issues

    Ahh SWEET SUCCESS!!!! So I was on my way out the door to go out of state. I added another 80 lbs of salt, 9 lbs of stabilizer, shocked it, put a chlorine puck in the skimmer and algaecide.. I then set the SWG and pump to a 12 hour cycle and 30% generation even though the LEDs were still blinking.. I left to travel with my fingers crossed.

    I came home and was pleasantly surprised to see a still clear pool 11 days later!!!! So I checked the box and the SWG is now reading 3100 ppm and generating. The check salt and inspect cell LEDs are no longer lit!! I just did drop tests and came up with the following results.

    Ph 7.5
    FC 12.5
    CC 0
    TC 12.5
    TA 120
    CYA 100
    Salt 3400

    Im pretty confident in stating that the SWG is working efficiently. I have shut the generation off for the next two days to allow the FC to lower. I will leave it on a 4 hour on, 4 hour off cycle. I think everything else looks ideal…. As always, THANK YOU ALL FOR YOUR HELP!!!!!
    Jeremy

    15x30 52 inch Above Ground, vinyl liner, 11,500 gallons, 21 inch Sta-Rite sand filter, 1.5hp Sta-Rite pump. Hayward Aqua-Trol HP SWG

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