Nov 29, 2023 #1 I Isiah1820 Active Member View Badges Joined Apr 13, 2020 Messages 352 Reaction score 109 Rating - 0% 0 0 0 So I just used it for the first time and it says 13 I’m confused wouldn’t that be super high?
Nov 29, 2023 #2 blecki Well-Known Member View Badges Joined Jan 5, 2023 Messages 957 Reaction score 1,423 Location Usa Rating - 0% 0 0 0 Doesn't it measure in ppb?
Nov 29, 2023 #3 OP OP I Isiah1820 Active Member View Badges Joined Apr 13, 2020 Messages 352 Reaction score 109 Rating - 0% 0 0 0 I think that’s what it is. I did get it second hand so it doesn’t have all the directions.
