Rookie here. All was great until a few days ago.....

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Great job on the tests. No need for calcium, you have a vinyl liner pool.
Help me understand how you measured a TA of 111? A 25 ml water sample will result in a value of 100, or 110, or 120, but no way can you get 111.
Your CYA is in a fine spot. NO more solid chlorine. Liquid chlorine only.
Raise your FC to target using liquid chlorine. See FC/CYA Levels
 
mknauss said:
Great job on the tests. No need for calcium, you have a vinyl liner pool.
Help me understand how you measured a TA of 111? A 25 ml water sample will result in a value of 100, or 110, or 120, but no way can you get 111.
Your CYA is in a fine spot. NO more solid chlorine. Liquid chlorine only.
Raise your FC to target using liquid chlorine. See FC/CYA Levels
Click to expand...
between 110 and 120 that is what husband said
 
A half gallon of 10% will add 10 ppm FC. Add that today. Then, at about the same time every day, test your FC, and add enough liquid chlorine to reach 8 ppm FC. Use the Poolmath app you have to calculate how much liquid chlorine that is.
 
Me again, here are today's readings
FC 4
CC 5.5
PH 7.5
TA .90
CH .50
CYA 55
TEMP 76
CSI

I know i need to add liquid chlorine and my CYA is good, what about the TA, i have some Alkalinity Up from Leslie's. Do I add that? or baking powder? or do i need to get Muratic acid?
 

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Watch your pH and CSI on how to proceed. Your TA will settle in and find its balance. If your fill water has a high TA then expect a slight pH rise when you add fill water. When pH rises to 8 bring it down with muratic acid, simple. Begin to experience the trouble free pool experience, enjoy. :cheers:
 
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