[Red Badger]

I look at them as ‘disposable’ items since they cost about $5 in WalMart. Use for a season then throw away when the battery dies..............................

[logi_cal869]

Same rule applies: Establish baseline when not sick.

All that I tried produced different readings (when I got the virus in March 2020, I painfully discovered that the glass thermometer I’d had for >30 years was broken and finding a replacement was impossible locally).