
The 250ml model was too short for my use - I needed at least 13 inches tall for my particular hydrometer. But the quality is excellent, as you would expect from Pyrex. They make a 300ml model with the same diameter but significantly larger and it worked for me. Unfortunately much more expensive.

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

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

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

π PH 1-14 Extensive Storage Testing Monitoring: Optimize Your Storage with Precise pH Level Monitoring
6 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§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review

π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review

π₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review