Sometimes.... NOTHING! Bottled water is often just plain tap water.
Tap water can contain chlorine, lead, pesticides, hormones, drug residue from hospitals throwing old meds down the drain, and who...
Actually, All water is tap water there's really no difference at all?The only good water is figi water it's the only water that actually gets purified alot better so if u want good water buy figi.
The main difference between distilled and bottle water is the ions and minerals found in them. In distilled water, no ions nor minerals can be found while in bottled water such elements are present....