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Dear Mr.Richard , Thank you for your scientific and very beneficial answer .It helped me to understand the process of the PH.We appreciate that taking the time to teach us to do our job better and we improve our knowledge by your brilliant web site. Yours Faithfully, Your new student, Roohollah

Dear Sophisticated Friend, I have read this new topic about that brilliant aerator ,and it seems very beneficial for pools .However, one thing which is very important is to increase the Ph of the pool by aerating ;on other word,the air which mixes with the water could increase the pH ;in this...