Standard tap water is fine, but adding a few "boosters" changes the game:
The Art of the Soak: Why We’re Still Obsessed with Bath Water bath water
This is just above body temperature. It’s the gold standard for calming the nervous system and prepping your body for sleep. Standard tap water is fine, but adding a
Lavender is the classic for sleep, while eucalyptus is perfect if you’re feeling a bit congested. Pro tip: Mix the oil with a carrier oil (like jojoba or almond) first so it doesn't just float on top of the water. 3. The "Soft Water" Secret Standard tap water is fine