It's a bit high for a vinyl pool but not by much. If everything else is fine I wouldn't. If you have trouble adjusting your pH or your calcium levels in your water are very high then you might want to consider lowering it.
Should I worry about a high TA (190) if pH is consistently good (around 7.4)? Pool is sparkling clean, no other issues to speak of. It's an in-ground vinyl 18x36.
It's a bit high for a vinyl pool but not by much. If everything else is fine I wouldn't. If you have trouble adjusting your pH or your calcium levels in your water are very high then you might want to consider lowering it.
Retired pool store and commercial pool maintenance guy.
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