Yes, Your TA is pretty high. It is most likely going to take several cycles of dropping the pH and TA with muriatic acid and then aerating the pH back up, repeat, before you get the TA where you want it.
BTW -- 1.5 lbs. of cya is only gonna take you to about 15ppm. You'll need to try and get it higher than that. 30-50 is a good range for cya.
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