
The first one came broken but was immediately sent back and replaced very quickly. Compared to the last remaining NIST traceable hydrometer I had and this matched perfectly. Very happy with the purchase.

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

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

Efficiently Test Your Antifreeze And Battery Acid With A 3-In-1 Refractometer
18 Review