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Thread: PH

  1. #1
    Join Date
    May 2014

    Default PH

    I am having trouble with my ph down.... I feel like i should not have to add as much as i am to get it to change.... What am i doing wrong? please help

  2. #2
    Join Date
    May 2006
    Los Angeles, CA


    This is probably because your source water is very hard and contains high levels of dissolved minerals. Do you have a EC or PPM meter to confirm? The minerals that make the water hard act as a buffer, which makes it more difficult to affect change in pH and causes the pH to rebound over the next 24 hours after using a pH adjuster. So if you're source water is 7.5 and you lower it to 5.8, it may bounce back up to 7.0 the next day. After subsequent adjustments, however, the rebounding effect will diminish.
    David G.
    BGH Forum Moderator

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