High ph...

Discussion in 'Water Chemistry' started by Rollies wonder garden, Sep 23, 2016.

  1. Rollies wonder garden

    cas

    Joined:
    Apr 20, 2015
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    Location:
    NE Ohio
    GH for years was pretty steady at 60. This year I added Epsom salt and calcium chloride to raise the GH to 107, to get the pH down from 8.8+.

    The difference in the pond this year is 1) more aeration (added an air stone to circulate water at bottom of the pond) 2) larger fish (3 are around 12", 7 are around 5-6") (As a reminder - my pond is 1,000 gallons.)

    Before adding any baking soda, Epsom salt or calcium chloride to the pond my readings were:
    upload_2016-10-5_7-16-27.png

    For the rest of the year I have been maintaining KH at 107, GH at 107, and the pH has been steady at 8.4.
     
    cas, Oct 5, 2016
    #21
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