Order a Taylor K-2006 from the testkit page in my signature.
Don't add any more CYA. That dose should take you up to about 50ppm which is as high as you want it to be. It is slow dissolving. Give it up to a week to totally dissolve. How did you add it? Did you buy liquid or granules? Since you've added CYA, you won't want to use any forms of stabilized chlorine meaning no dichlor shock powder nor trichlor pucks as they both have CYA in them.
Until that CYA starts registering, your chlorine will disappear quickly so you'll probably have to test and add some bleach morning and evening. Try and keep the chlorine between 3-6. After about a week, you'll be able to test and dose it with bleach in the evenings only. In your pool, each quart of 6% bleach will add about 4.5 ppm of chlorine. Use that as a reference to help figure out doses of bleach to add. Use your OTO test instead of the test strips. More accurate and more reliable.
The amount of baking soda you added should have added around 80ppm so that should put your alk at around 120. Don't add any more baking soda either.
Your pH is ok at 7.2 but if it drops, you'll want to add a little 20 Mule Team Borax (laundry aisle at Walmart) to raise it. Add only a cup or two at a time slowly to the skimmer while the pump is running. Wait a few hours and retest. You want to keep the pH between 7.2-7.8.
Hope this helps you get started. Welcome to the Pool Forum!
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