Excellent kit with everything you need for a precise experiment. Control and PTC paper. The cheapest I could find! Thanks very much!
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
Efficiently Test Your Antifreeze And Battery Acid With A 3-In-1 Refractometer
18 Review
80 Pieces Water Test Litmus Strips Litmus ph Paper Soil Acidity Meter Liquid pH Tester 1-14
10 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₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review
π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review
π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review