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  1. Z

    Raising ph with aeration, how long ?

    If I get my ph up to were I want it with aeration, does the ph hold after the aeration or do I have to keep aerating the pool ? Thanks for any replys. Zmanastronomy
  2. Z

    Borax. All at once or a little at a time?

    I need to raise my PH from 6.8 to 7.5 and the pool calculator tells me to add 8lbs of borax for my 18500gal pool. Should I add the borax in stages or all at once? If in stages, then how much at one time and how much time should I wait before each stage? Thank you for your responce.