You have been given some good advice by Janet. To answer your question, it is fine to work on ph and shock at the same time.
You have a bit of a quandry. You don't really want cyanuric ACID laying on your lner. Typically, when people have broadcast it into the pool instead of into the skimmer or in a sock in front of a return jet as Janet mentioned, we advise them to vacuum it up and let it dissolve in the filter. But, since it dissolves so slowly (may take up to a week) you can't backwash or you just end up throwing the cya out. If you are fighting some algae, you'll most likely need to vacuum this week and thus the cya would be thrown out.
You'll have to decide if you want the cyanuric acid granules laying on your liner or do you want to end up maybe wasting it by backwashing the filter if you vac it up?
I also have a question about your testing numbers. You say that your water is cloudy, not green, yet you have a CC reading of 2. That is odd for a pool that isn't full of algae. I have a feeling that maybe your testing numbers are wrong. FC + CC = TC. FC is free chlorine which is chlorine that is available to sanitize water. CC is combined chlorine that has already been used sanitizing something organic in the pool. TC is total chlorine. Like I said, it is unusual for a pool to have a CC reading that high if there is not a big algae problem going on. Can you retest your numbers again and repost?
And, Jan is right. Your ph is priority!! Get that Borax in.
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