
This set of electrodes is sold at a bargain price. It's so easy to buy one pack instead of buying one pack per month. This pack is so handy.

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

Portable digital multimeter with sound continuity and thermocouple (electric tester) LTX DT-838
7 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

0-5000ppm Relative Humidity Detector Temperature
3 Review

π BIAOLING Accurate Formaldehyde Multifunctional Test: Record, Measure, and Inspect with Confidence
3 Review

π¬οΈ BIAOLING Accurate Formaldehyde Multifunctional Recording: Say Goodbye to Indoor Air Pollutants!
3 Review

Airthings Wave Indoor Quality Monitor
3 Review