Can I put HOT liquids in the HidrateSpark 2.0? April 09, 2024 18:08 Updated No. This bottle is designed for COLD Liquids ONLY. The lids are not designed to withstand the pressure of hot liquids. Related articles Can I put HOT liquids in my PRO 2 tumblers or bottles? My sensor stopped syncing / glowing How do I clean my HidrateSpark 2.0? How long does the sensor battery last, and how do I charge it? HidrateSpark 2.0 Set-Up Manual