Even though the source is the same, some people notice a slight difference in taste or odor. Here’s why:
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Stagnant Water in Pipes
Water sitting in bathroom pipes overnight may absorb small amounts of metal or develop a flat taste
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Proximity to Toilets & Humidity
Moist environments encourage biofilm buildup on faucet aerators — not in the water, but on surfaces
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Older Fixtures or Aerators
Mineral deposits or corroded parts can affect flow and taste
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Hot Water Line Cross-Connection
Rare, but possible in poorly installed plumbing — never drink hot tap water
💡 Solution: Run the tap for 10–15 seconds before drinking to flush out stagnant water.
⚠️ When You Might Want to Avoid Bathroom Tap Water
While generally safe, consider using kitchen water if:
You live in an older building with outdated galvanized pipes (can leach lead or iron)
Your bathroom has a low-flow or non-potable label (rare; seen in commercial buildings)
The water smells musty or metallic — could indicate fixture issues
You’re immunocompromised or extra cautious (e.g., pregnant, elderly)
✅ In these cases, use filtered kitchen water or a reusable bottle filled in advance.
