
How to Clean Hard Water Stains From a Sink or Faucet
🌿 Why Vinegar Works Like Magic
Vinegar is a weak acid — but don’t let that fool you.
Its acetic acid content (around 5%) breaks down mineral deposits like calcium carbonate and magnesium hydroxide — the main culprits behind hard water stains.
✅ It’s:
Non-toxic
Cheap
Biodegradable
Already in your pantry
And when used the right way, it’s incredibly powerful.
🧽 What You’ll Need
Distilled white vinegar
The star of the show — do not use apple cider or balsamic
An old cloth, rag, or paper towel
To trap the vinegar against the stain
Green/yellow scrub sponge
The green side gently scrubs without scratching