Can I put the sensor puck into the freezer? June 15, 2022 11:55 Updated No, the Sensor Puck cannot be put into the freezer as this would damage the sensor. Related articles Can the sensor puck detect other liquids besides water? When do I need to charge my sensor puck? How do I charge my sensor puck? When does my Tumbler glow? Can I put the sensor puck into the dishwasher? Can you have 2 DEVICES (ex: iPhone and iPad) with the HS App connected at the same time?