I am assuming your pool is around 20k. You need to put in some more bleach. Raise your Cl up to about 16-18ppm and HOLD IT THERE until your pool turns blue.
There is a gonna' be an issue with your CYA. If your test showed 33, you didn't need anymore. I would test for CYA tomorrow AM, and if it's 40 or more, I would do a huge backwash and try to blow the rest of it out of there. If you do not and your numbers are accurate, you will end up with CYA in the 90-100 range and cause yourself agony the rest of the Summer.
For the same reason, I would take EVERY puck out of that chlorinator and throw them away, they are continually adding CYA.
Leave the cover back....better to watch your pool, anyway.
Remember, KEEP your Cl level up around 16 - 18....that's what's gonna' clear your pool.
You are casually tossing stuff in your pool that's causing you problems. If the pool store is telling you to do this and you continue to do it, it will be very difficult to give you solid advice.
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