I'm new to all this too, so this is more a test of my thought process and if I'm wrong, someone else please say so...
With your CYA at 50, you want to keep your FC somewhere between 3-6ppm.
You Alk looks low, you want 80-120. If you add Borax for the algae line, your pH and Alk will go up, so make sure you have some Muriatic acid to drop it down. You might also consider some Arm & Hammer to raise the Alk and your pH may not do much, however, the latest box of A&H I bought also shows pool treatment numbers on the back, so it may also raise your pH.
Everything else seems OK to me...
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