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Thread: Swimpure Plus, 0 chlorine

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    Swimpure Plus, 0 chlorine

    My Swimpure diagnostics shows 26.2 as the volts and 7.51 as the amps when supposedly generating. I installed this week, got the chemicals in the OK range but there doesn't seem to be any chlorine generating. I am going to shock tomorrow with liquid bleach as there was zero chlorine in the pool when we opened for the spring. Am I expecting too much from this unit? I really expected to see some chlorine being read.

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    Mod Squad jblizzle's Avatar
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    Re: Hayward Swimpure Plus

    Welcome to TFP!

    What is your CYA? Two things consume FC, the sun and stuff in the pool. A SWG generally is good at maintaining FC, not raising it from zero and overcoming something growing in the water.

    Sounds like you need to follow the SLAM process as described in Pool School until you pass the 3 criteria to stop. Then dial in the SWG.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Hayward Swimpure Plus

    If your voltage and current are in the proper range, then the unit is making chlorine.

    Your pump run time might be too short, your percent output might be too low or, as jblizzle notes, your cya might be too low, or you might have something growing, and in need of a Slam.

    Which cell do you have?
    What is your percent output?
    What is your pump run time?

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    Re: Hayward Swimpure Plus

    I've added 4 gallons of 8.25% bleach to the 22k pool and still no chlorine reading from two sets of test strips. Looks like the readings have gone a little high - ph between 7.8-8.4 ; alk 120-180 and CyA 100-150. I know - get better testing stuff which I've ordered and should be here today or Monday. Also this is a vinyl pool.

    Pump and generator has been running for a day and half.

    I really appreciate the assistance!


    Quote Originally Posted by jblizzle View Post
    Welcome to TFP!

    What is your CYA? Two things consume FC, the sun and stuff in the pool. A SWG generally is good at maintaining FC, not raising it from zero and overcoming something growing in the water.

    Sounds like you need to follow the SLAM process as described in Pool School until you pass the 3 criteria to stop. Then dial in the SWG.

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    JasonLion's Avatar
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    Re: Swimpure Plus, 0 chlorine

    Your CYA level is too high. You need to get CYA down below 100 and then SLAM the pool.
    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

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    Re: Swimpure Plus, 0 chlorine

    Thanks. I will do just that.

    Quote Originally Posted by JasonLion View Post
    Your CYA level is too high. You need to get CYA down below 100 and then SLAM the pool.

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    Re: Swimpure Plus, 0 chlorine

    Follow up. I got the CYA down to the OK level for salt water. We SLAM'ed and finally got the chlorine up to a good level. Chlorine was fine yesterday afternoon. We had a little rain (.33 inch). This morning the chlorine is back to zero and I have steaks of algae. This thing is killing me. Any advice is very greatly appreciated.

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    Re: Swimpure Plus, 0 chlorine

    Oh, and we've been running the pump for 8 hours on 80%
    22K gal inground vinyl liner. Hayward Swimpure SWP15, Intelliflow VS pump

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    Re: Swimpure Plus, 0 chlorine

    When you say you SLAMed, do you mean you brought your FC up to the proper SLAM level for your CYA and kept it there until you:
    1. Had less than 0.5 CC
    2. Clear water with no visible algae
    3. Passed the OCLT?

    If not then you didn't fully SLAM your pool and that is why the problem is reoccurring.
    JD - 28' Round Above Ground Pool, 17,000 Gallons. Dual speed Jacuzzi pump with cartridge filter. Dual speed 1 HP pump, Hayward S210T sand filter
    Pool School - PoolMath - HIGHLY Recommended Test Kits

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    Re: Swimpure Plus, 0 chlorine

    Another followup:
    I went back and followed the process you described. You're right, I originally didn't complete the process. I did and now have a clear pool with proper chlorine levels. Thank you all for your help. I also love the new Intelliflo pump that I installed. I had not realized how loud the Hayward Super Pump II was until I switched pumps.

    Quote Originally Posted by Donldson View Post
    When you say you SLAMed, do you mean you brought your FC up to the proper SLAM level for your CYA and kept it there until you:
    1. Had less than 0.5 CC
    2. Clear water with no visible algae
    3. Passed the OCLT?

    If not then you didn't fully SLAM your pool and that is why the problem is reoccurring.
    22K gal inground vinyl liner. Hayward Swimpure SWP15, Intelliflow VS pump

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    Re: Swimpure Plus, 0 chlorine

    I doubt there is a person on the site who did their first SLAM perfectly the first time. Or in my case the second, third, or forth

    Awesome job, keep those levels on target (particularly FC above minimum) and your pool will stay beautiful!

    JD - 28' Round Above Ground Pool, 17,000 Gallons. Dual speed Jacuzzi pump with cartridge filter. Dual speed 1 HP pump, Hayward S210T sand filter
    Pool School - PoolMath - HIGHLY Recommended Test Kits

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