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Why I Filter My Tap Water: Saving Money While Improving Taste and Quality

Why I Filter My Tap Water: Saving Money While Improving Taste and Quality

Does your tap water taste off? It's common, but you don't need pricey bottled water at €0.90 per liter. Those heavy packs create waste too. A simple filter removes chemicals like chlorine and lime, delivering fresh-tasting water affordably.

I've been filtering my tap water for years, saving hundreds while enjoying better quality. Here's how it pays off long-term:

Why I Filter My Tap Water: Saving Money While Improving Taste and Quality

Contents
  • 1. The reverse osmosis filter
  • 2. The over-the-sink ring strainer
  • 3. The filter carafe (Brita style)
  • Where can I find these different filters?
  • In summary: what to choose?
  • Bonus tip

1. The reverse osmosis filter

This advanced under-sink system uses multiple stages to remove 100% of dissolved substances—both good and bad. Its high upfront cost makes it harder to recoup compared to simpler options.

2. The ring filter on the sink

Easy to install over the faucet, this filter requires cartridge changes every three months. It amortizes quickly but doesn't remove limescale.

3. The filter carafe (Brita style)

These jugs effectively retain chlorine, limescale, pesticides, and heavy metals. Cartridges last about three months, with costs similar to the ring filter. In my experience, filtered water costs just €0.06 per liter the first year, dropping to €0.05 thereafter (plus local tap water rates).

Where to find these different filters?

Available at DIY stores or online, like these filter jugs with replacement cartridges. Most feature electronic reminders for cartridge changes.

In summary: what to choose?

Tap water is safe—the chlorine kills bacteria. But its taste can disappoint, and bottled water is costly, heavy, and wasteful. I skip reverse osmosis (€200–€1,500 installed, €50/year after). Between ring filters and jugs, I prefer the carafe for table-ready water, especially in my limestone-heavy area.

Bonus tip

Ring filters don't remove limescale but suit low-limescale regions. They also reduce flow, helping conserve water.