Calcium Hardness vinyl - first time testing

astronaut888

0
LifeTime Supporter
Jun 7, 2013
121
southeast
TF100 user here for the past 2 years

Had a recent bout w heavy thunderstorms that really bottomed out my TA - and after raising and retesting , got a wild hair and decided to check my CH for the FIRST time ever
I have a 20k gallon vinyl with a new liner about 2 yrs old - been steady TFPC since new liner install and have been trouble free since (!)

My CH measures 30
Which - I understand - is very low

Is this something that I should even give a second thought to??

FC 7
CYA 40
pH 7.5
CC ZERO
TA adjusted to 80 from 40
CH 30
 
CH is not needed for vinyl pools unless you need it for some warranty reason where some minimum level is specified without regard to type of pool (this happens with some heaters even though low CH is not bad for the heaters)
 
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