Wireless Hydrometer + Thermometer - Tilt v3 Bluetooth for HomebrewThe Tilt v3 Wireless Hydrometer allows you to monitor your fermentation's Specific Gravity and Temperature in real time, without ever opening your fermenter. This "drop in" sensor floats in your wort and transmits data via Bluetooth to your smartphone, tablet, or RAPT TiltBridge device. By eliminating the need for manual samples, the Tilt reduces the risk of infection and oxidation, giving you a perfect digital log of your yeast's performance.