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  1. 02-15-2011, 09:40 PM #1
    tcsgeo
    tcsgeo is offline New Guest
    Join Date
    Feb 2011
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    1

    FHP Plugged Coax

    I have a customer that has a 3T FHP Open loop discharging into a creek. The water quality is not good. However, their FHP has a plugged coax 100%. I've tried flushing from the leaving to the entering and vise versa. I have also tried blowing it out with nitrogen. I could try using chemical to flush however, I don't have much faith that it will work since I'm not getting any water out at all or nitrogen. Any ideas other than replacing the coax and or unit?
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  2. 02-16-2011, 08:16 AM #2
    crash11
    crash11 is offline Regular Guest
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    May 2005
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    148
    I ran open loop for awhile until it clogged. Then I cleaned it out with Muriatic acid and switched to closed loop. Did you try Muriatic acid?
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  3. 02-17-2011, 08:23 PM #3
    junkhound
    junkhound is offline Professional Member
    Join Date
    Feb 2004
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    Get your post count up and apply for pro memebership and there are some good 'solutions'.

    FWIW, the HCl mentioned is excellent for Ca and Mg deposits......
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