When Windows Looked Foggy After Cleaning

 “No matter how much we wiped, the windows never looked clean.”

That’s how a homeowner from Nungambakkam, Chennai, described the issue that drove them to call us.

“Every time we washed the glass panes, they dried with these chalky streaks. At first, I thought it was our cleaning solution, so we switched brands. Then we tried vinegar water, microfiber cloths — nothing worked,” she said.

The problem wasn’t their effort. It was their water.

“We use borewell water for the whole house,” she added. “And the same thing happens with the car wash too — white spots everywhere.”

Why Do Glasses & Windows Look Foggy?

We asked:
 “Have you tested the TDS level of your borewell water?”
 “No,” she replied.

When we tested, the results were clear: over 1,200 ppm TDS — extremely high mineral content.

That’s why the glass looked foggy. The water droplets were leaving behind salts and calcium deposits that bonded with the surface. Over time, these marks don’t just look ugly — they can etch into the glass, making it permanently dull.

This same water also affects:

  • Tiles and bathroom fittings (with white, salty stains)

  • Dishwashers and washing machines (scale buildup inside)

  • Even food and beverages (a salty aftertaste when cooked with this water)

Our Recommendation: Whole House RO Plant

We suggested installing a fully automatic whole house RO plant. Unlike small filters or so-called “descaling gadgets,” this system actually removes dissolved salts and excess TDS before the water even reaches the overhead tank.

That way, every tap, every shower, every cleaning bucket in the house gets pure water — not just the kitchen filter.

But then came the big question:

“How much will it cost?”

We explained honestly:
 “For your water quality and house size, the right system will cost around ₹3.5 lakhs. If anyone offers you something much cheaper, it’s either not a proper RO system, or it won’t handle borewell water long-term. Cheaper ‘RO plants’ often fail within months, leaving you with the same problems and more expenses.”

A true whole house RO plant is engineered with:

  • High-capacity membranes for borewell water

  • Pre-treatment filters to handle hardness and salts

  • Automatic flushing and regeneration cycles

  • Food-grade storage tanks for a safe, clean water supply

It’s not a small investment — but it’s the only solution that works reliably for salty borewell water.

The Result: Clear Windows, Spotless Surfaces

Within days of switching, the difference was visible.
 “The glass actually shines now — no streaks, no foggy marks. Even our car looks cleaner after a wash,” the homeowner said with relief.

The family also noticed softer skin after showers, better-tasting food, and appliances running more efficiently.

The Takeaway: Don’t Fall for ‘Cheap Fixes’

If your home runs on borewell water and you face:

  • Foggy windows or car streaks after cleaning

  • White, salty stains on tiles and fittings

  • Appliances breaking down due to scale buildup

  • Food and drinks tasting odd or salty

…it’s time to look at the root cause: high TDS in your water.

At Water Sparks, we install whole house RO plants across Chennai homes. These are not quick fixes — they’re engineered solutions designed to protect your home, your health, and your appliances.

One system. One installation.
 Pure, low-TDS water from every tap — and glass that stays truly clear.
Location: India

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