Water Softeners & TDS: What You Need to Know

RiverSoft | 11 July 2025

Welcome back to the RiverSoft Knowledge Series! In this blog, we will discuss whether water softeners reduce TDS or not.

 If you’ve ever wondered whether your water softeners for taps or mainline water softeners can address the issues of TDS in water, this post is for you!

Water Softeners and TDS: The Truth

Installing a water softener does not reduce TDS. 

Water softeners target the minerals that make your water “hard”, specifically calcium and magnesium. They do not filter out solids; they substitute these hard minerals with sodium ions to soften water so that it does not harm your skin and hair.

  • Water Softener for Taps are designed to neutralize the hard salts in the water, making it safer for skin and hair. But since the solids are not removed, the TDS remains the same.

  • Mainline Water Softeners work on the principle of ion exchange. The calcium and magnesium ions are replaced with sodium ions, but the solids remain in the water.

So, Why Should You Care About TDS?

TDS is a measure of the minerals and salts dissolved in your water. The presence of TDS in high quantities may lead to dry, flaky, and irritated skin, weaker, brittle hair. If your water has TDS of more than 500, it's not fit for bathing as well. 

In case you are struggling with high TDS, it is best to know how high TDS in water can affect your health. 

For more details on how TDS affects your skin and hair, don’t miss our post “TDS in Water: How to Measure It and Why It Matters for Your Health.” 

RiverSoft Solutions: Better Water for Your Skin and Hair

While water softeners don’t reduce TDS in water, RiverSoft has the perfect solution to tackle high TDS in your bathroom water. Our SF-15 Pro filter for taps and Diva shower filter for showers are designed to remove hard water and give you cleaner, safer water for your skin and hair, leaving you with gentle, nourishing, and cleaner water.

If you are struggling with high hardness in your water, add RiverSoft’s water softener for tap to your routine today.

 

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