Ok, so new fiberglass pool after filling and running SWG for a couple days I had FC=1, CYA=0, PH=8.2, CH=0, TA=50. Test kit is K-2006C. Initially I lowered PH to 7.6, added CYA, added calcium, bumped SWG from 50% to 65%.
Adding the solid CYA required running the pool for 24 hours (instead of...