I would avoid using any more of that shock. Copper is not a good thing to have in a pool. Dichlor is fine when the pool needs more CYA and lower pH - this is not really the case here.
I don't think the PS-233 had Acid / Base demand test (pretty sure Ben felt these tests encourage "one huge dose" adjustments). So... Add some Borax, let it dissolve / mix, test again.