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Thread: Manually reverse electrodes on Zodiac LM2 cell?

  1. Back To Top    #1

    In the Industry

    Join Date
    Jun 2010

    Manually reverse electrodes on Zodiac LM2 cell?

    Through the multiple pools I take care of, there are three different salt-water generators. I have two Clearwater Zodiac SWGs (recently down from three, one was replaced with a...), three Aqua-Rite SWGs, and one Pool Pilot SWG. The Zodiacs have a constant problem with calcium build-up. I get very little on the Pool Pilot and almost none on the Aqua-Rite, but the Zodiac cells build up on the black lead very quickly. If not cleaned on a very regular basis, it eats at the metal and eventually kills the cell. All of these pools have roughly the same water balance and the same chemical maintenance routines. Calcium Hardness is generally kept between 200 and 250 on all the pools. So why do both the the Zodiacs build up so much more?

    According to the manual, all three models reverse polarity to eliminate scale. I wonder if the reversing does not work very well on the Zodiacs - would it is safe to manually reverse the red and black electrodes myself for a day every couple of weeks? (note that the pump is run 24 hours a day and the SWG is typically on its lowest setting (20%?), sometimes the next setting up (40%?)).
    * Responsible for the operation of 21 semi-private pools and spas at 11 locations, varying from 1,900L to 20,000L spas and from 13,000L to 200,000L pools.

  2. Back To Top    #2

    Join Date
    Jul 2007
    Brisbane, Australia

    Re: Manually reverse electrodes on Zodiac LM2 cell?

    i doubt that this will solve your issue.

    if you suspect that reversing isn't working (which i've never heard of) then the first thing you should do is verify it using multimeter. measure the polarity every 4-6 hours during several days and see if it reverses or not.

    the difference might be purely in reverse intervals.
    Autopilot and AquaRite might be programmed to reverse more often

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