Read the page: http://poolsolutions.com/gd/best-gue...ine-chart.html
You probably STILL have some live algae (since you haven't vacuumed or brushed) and your high CC level (TC - FC) indicates there are still water problems chlorine can fix. BUT, most pool store "shock" is either a mess of pool-voo-doo-doo chemicals OR contains stabilizer. Your stabilizer is ALREADY high enough.
Of course, both the CC and the high CYA could be test errors, but we won't be able to tell, till you get the kit.
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