Digital Dissolved Oxygen DO Meter Tester
Professional Digital Dissolved Oxygen DO Meter Tester 0~199.9% / 0~19.99 PPM / 0~19.99 mg/I Range
Specification: 0~199.9% / 0~19.99 PPM / 0~19.99 mg/I
- Big LCD with DO and temperature value display
- Stability indi..
Iodine Tincture - Starch conversion test - 30 mlIodine solution for the determination ocqaf starch in cooled wort.
How to use: - Add a few drops to a separate small amount of cooled wort. - When starch is present, the iodine changes from brown to blue, violet or reddish. - If the iodine colour rang..