Spring opening cloudy pool excessively high PH > 8.2

[PoolDoc]

-BioGuard Maintain Easy Shock & Swim - multi-purpose shock => diluted dichlor -- needs to be disposed of in pool, LATER.
-BioGuard Inhibit Back Up - algae preventative & killer => cheap foamy algaecide -- do NOT use!
-BioGuard Maintain Silk Sticks with Silk Guard => trichlor + MYSTERY ingredients, probably copper or borax
-BioGuard Sanitizer Super Soluble (old version) => dichlor
-BioGuard Maintain Super Soluble Sanitizer => dichlor
-BioGuard Off the Wall cleaner - thicker formula => do not use! (or use in your toilet!)
-E-Z Chlor pH Up => sodium carbonate, washing soda
-Pool Perfect+ Phos Free => do not use!
-Pool Pride pH increaser => sodium carbonate, washing soda
-HTH Clarifier => OK to use, but do NOT overdose!!
-Pooltrine 60 Algaecide & Water Clarifier - Applied BioChemists => Polyquat -- good stuff; save for when you go on vacation
-Robarb Pool Specialties Back Wash => do not use, now! For sand filters only.
-GLB Pool Care Vanquish - deposit control => do not use, now! Mystery soup.