Mine was 4.2 @ 5.02, then 4.6 @ 6.20 now 5.2 @ 7.36. All Libre so a fair pinch of Himalayan Pink or Kosher required. Abbott are sending replacement sensor and reader after "issues" so fair do's. @Rachox epic fbg yesterday. @JanetMcDowell glad you found the meter - it was the wine wasn't it ?