If you leave it in room temperature for over 4 or 5 hours on a hot sunny day, you would risk having bacteria growing in your bottle! So if you do not plan on drinking your infused water within that period, put the bottle in the fridge!
If you leave it in room temperature for over 4 or 5 hours on a hot sunny day, you would risk having bacteria growing in your bottle! So if you do not plan on drinking your infused water within that period, put the bottle in the fridge!