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I have never checked Alkalinity in my tub and have always had perfect water. I normally just check Ph and Chlorine, adjust both and get great water.Checking Alkalinity is really not needed in an above ground hot tubs, unless it's a built inground spa it's not a big deal. There are lots of articles on this. It was also recommend by my hot tub dealer.
I checked this morning and it's down to 7.6, so it worked for me.Like I sad, I never need to check Alkalinity. In fact, every time I take my water to be tested my Alkalinity is dead on.Like I said before, many people have told me not to bother with checking Alkalinity in an above ground spa because it's over kill. I have taken that advice and have done remarkabley well.
Thank you. Back to my question, how often should I test PH while adjusting? Some people say every 15 min is ok, others say once a day .
Thanks for the input, but I am still not sure why it is so important to test Alkalinity if the end results is the same if it is high. This is why I have always tested PH only and adjusted as needed, it has always worked well for me.