Conflict between Pool Calc and CYA/Chlorine Chart or Newbie Error?

Apr 25, 2016
3
Tyrone
So I've probably spend 20 hours reading thru the forums and have been absorbing all of this great info. After finally receiving my K-2006 kit today, I've got a baseline set of numbers to try and fix the disaster that my pool service created. When plugging in my numbers, I get a different shock level in the Pool Calc than what is listed on the CYA/Chlorine Chart. What am I doing wrong? Screenshots attached. Not sure if I should shock at 21 or 30. Thoughts?

calc1.jpgcalc2.jpgchart1.jpg
 
I would use the FC/CYA chart levels.

With the CYA test we round up to the larger number.

We are working on making sure everything lines up together but it is slow going. Good job asking and making sure you use the correct levels!

Kim:kim:
 
Yes, it must have been the old calc as I used a google link and not the link in the header. When using the link in the header above, it matches perfectly! Thank you so much, I want to try and get the numbers correct from the get-go :)
 
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