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  1. 03-21-2016 08:21 PM #1
    Toybuilder
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    Default Re: Getting Calcium Levels Right

    Quote Originally Posted by mas985 View Post
    The easiest thing to change is PH because it is a one for one change. Increase PH by 0.5 increases CSI by 0.5. TA and CH changes have less impact.
    Well, that's very interesting. Never noticed that before. Learn something new everyday.
    36'x20' Freeform, IG - 13k gal, Spa - 800 gal, Diamond Brite, Intelliflo VS pump, TR-140C sand filter, Mastertemp 400k BTU heater, 2HP Whisperflo pump (waterfall), Pool Pilot Digital RC-42 SWCG, K-2006 Test Kit
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  2. 03-21-2016 08:48 PM #2
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    JimK
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    Default Re: Getting Calcium Levels Right

    I didn't notice that either, though I don't pay close attention to CSI since I have a vinyl lined pool.
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  3. 03-22-2016 12:49 AM #3
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    FormerBromineUser
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    Default Re: Getting Calcium Levels Right

    Let us know if you need help figuring things out. We can play with your numbers if you give us a current set of test values!
    26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO
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