It works good but could use a little improvement by making it have a hold button so in them had to see places you could push hold and pull it out so you can see it better and make the instructions in bigger writing we're I don't have to strain my eyes trying to read it but it does work good
π PH 1-14 Extensive Storage Testing Monitoring: Optimize Your Storage with Precise pH Level Monitoring
6 Review
80 Pieces Water Test Litmus Strips Litmus ph Paper Soil Acidity Meter Liquid pH Tester 1-14
10 Review
π§ Enhanced Water Analysis: HM Digital HydroTester Offers Unparalleled Resolution and Accuracy
6 Review
Efficiently Test Your Antifreeze And Battery Acid With A 3-In-1 Refractometer
18 Review