![Got my very first flask today. My question is. After i cleaned it. Is it ok to put cold water in it already. My brother said i should put hot water first Got my very first flask today. My question is. After i cleaned it. Is it ok to put cold water in it already. My brother said i should put hot water first](https://preview.redd.it/got-my-very-first-flask-today-my-question-is-after-i-v0-63th2da5knlb1.jpg?width=640&crop=smart&auto=webp&s=5eabf429ee37fdad2558effff683db5c5448fdcb)
Got my very first flask today. My question is. After i cleaned it. Is it ok to put cold water in it already. My brother said i should put hot water first
Joyjolt Vacuum Insulated Water Bottle With Flip Lid & Sport Straw Lid - 32 Oz Large Hot/cold Vacuum Insulated Stainless Steel Bottle - Grey/black : Target
![Amazon.com : Hydro Flask Wide Mouth Straw Lid - Stainless Steel Reusable Water Bottle - Vacuum Insulated, Dishwasher Safe, BPA-Free, Non-Toxic : Sports & Outdoors Amazon.com : Hydro Flask Wide Mouth Straw Lid - Stainless Steel Reusable Water Bottle - Vacuum Insulated, Dishwasher Safe, BPA-Free, Non-Toxic : Sports & Outdoors](https://m.media-amazon.com/images/I/71Mcr60iGiL._AC_UF350,350_QL80_.jpg)
Amazon.com : Hydro Flask Wide Mouth Straw Lid - Stainless Steel Reusable Water Bottle - Vacuum Insulated, Dishwasher Safe, BPA-Free, Non-Toxic : Sports & Outdoors
![Amazon.com : Hydro Flask 32 oz. Water Bottle with Straw Lid - Stainless Steel, Reusable, Vacuum Insulated- Wide Mouth : Sports & Outdoors Amazon.com : Hydro Flask 32 oz. Water Bottle with Straw Lid - Stainless Steel, Reusable, Vacuum Insulated- Wide Mouth : Sports & Outdoors](https://m.media-amazon.com/images/I/51ZocuA5PYL._AC_UF1000,1000_QL80_.jpg)