We haven't ordered our test kit yet. It was just filled. The pool store tested it . They are who said we needed 12 lbs of shock. It is 12,000 gallons. The free chlorine is 0. Total chlorine 0. PH 8.8 total alkalinity 125 total hardness 46 . They had us add 3.25 lbs of Lo N SLO and bottle of...