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    New large spa owner making no progress in balancing it. Please help!

    Hi there. We are the new proud owners of a 10' x 18' 4,000 gallon pebble tec spa. I have been trying to get it balanced over the past two weeks and have made no headway. I finally got my alkalinity to 110 and was then trying to adjust my pH which continued to be very high (7.8-off the chart)...