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Found 4 results

  1. Hi, I've been wondering, does increasing pH with NaOH also increase TA? Thank you [Edit] Already found my answer in pool calculator. Yes it does raise the TA.
  2. Hi Everyone I've been reading the great guides on water care. I've been reading the one on reducing TA. I'm in a hard water area so always have a high TA reading. So with regards to step 2 on the TA guide. I'm using the sites http://poolcalculator.com/ and https://www.troublefreepool.com/calc.html The TA part will work out how much I require to increase TA. But to reduce it am I doing this right by 1. Entering current TA value and Goal e.g 300ppm with a goal of 60ppm 2. Entering pH value and goal e.g 8.0 and 7.5 It then tells me I need 1.8oz of dry acid to reduce the TA down to 60ppm which I then can following the remaining steps of adding half and aerating for 30 mins, etc (Note - This is for a 350 gallon tub) Does this sound right? Thanks
  3. I have been struggling with this problem for awhile. All my reading this subject hasn't helped. 360 gallon hot tub. My TA drops so I tried to raise it. I'm using SpaGuard Spa Total Alkalinity. Every time I attempt to raise the TA, my pH spikes. Then I'm following up with several cycles of pH decreaser. A cycle being putting a small amount of pH decreaser in, running jets for 20 minutes then checking. Because my TA has increased, the pH is slow to come down. The basic question is, why does my pH spike when I increase TA? Thanks, Scott
  4. How do I bring the total alkalinity up, without raising the ph? When I first fill my hot tub the ph is perfect (7.6) but the total alkalinity is somewhere between 20 and 30 (should be between 80-120)? I use alkalinity increaser, then my ph goes thru the roof. When I decrease the ph, down goes the alkalinity. I constantly have this yo-yo effect. Any suggestions?
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