Ribbon is difficult to use. It is very thin and thin, as opposed to individual strips. Adhesive tape falls out of the dispenser and dissolves. The readings appear to be accurate, so that's a plus. I don't know if I can recommend it. I won't buy this again.
80 Pieces Water Test Litmus Strips Litmus ph Paper Soil Acidity Meter Liquid pH Tester 1-14
10 Review
TDS water quality tester - TDS water hardness meter (portable digital salt meter for water analysis)
9 Review
Digital PH Meter Tester - Tiaoyeer Water Quality Tester With ATC, 0.01PH High Accuracy, 0.00-14.00 Measurement Range, 0.01 Resolution For Drinking Water, Aquarium, Swimming Pools, Hydroponic
8 Review
Accurate And Versatile Digital PH Meters For Food, Brewing, Hydroponics, Pools And More!
7 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
π Dioxide Controller for Digital Gas Monitoring
5 Review
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
Digital multimeter RGK DM-12
6 Review