Catalogue
A Stevenson Reeves hydrometer.
A 100ml capacity jar calibrated and specifically designed for use with a hydrometer to test the Specific Gravity (SG) of a liquid.
A Stevenson Reeves triple scale hydrometer and a 100ml calibrated sampling jar for testing.
The RAPT Pill acts as both a real-time gravity testing hydrometer and thermometer allowing instant gravity and temperature measurements and also logging from inside your fermenter during fermentation.