
This product can only be tested from 6 to 8; However, this is all we need to know when testing the body pH. We need a range of 7.2-7.4. You don't have to spend money on the more expensive litmus paper, so it's worth the money.

TDS water quality tester - TDS water hardness meter (portable digital salt meter for water analysis)
9 Review

80 Pieces Water Test Litmus Strips Litmus ph Paper Soil Acidity Meter Liquid pH Tester 1-14
10 Review

π PH 1-14 Extensive Storage Testing Monitoring: Optimize Your Storage with Precise pH Level Monitoring
6 Review

Accurate And Versatile Digital PH Meters For Food, Brewing, Hydroponics, Pools And More!
7 Review

Digital multimeter RGK DM-12
6 Review

π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review

π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review

Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review