SM, You really need to post your water test results for anyone here to be able to help you. The results they'll need are free chlorine (FC), combined chlorine (CC), pH (pH), total alkalinity (TA), calcium hardness (CH), and cyanuric acid (CYA aka stabilizer).
Do you have a drops type test kit? If not, did the pool store test your water before selling you the "shock"?
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