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Things To Consider When Buying A Water Filter

Before buying a water filter, think about what is in your water, what your household actually needs, how much space you have, what it costs to run, and what support you get after installation. Getting...

Chlorine Removal Drinking Water Systems Filtered Water Hard Water Solutions Home Water Filtration

13 Aug 2026

Shower Filter or Water Softener: Which One Is Better?

A shower filter treats water at one shower head. It mostly reduces chlorine. A water softener treats water for your whole home. It removes the calcium and magnesium that cause hardness. Neither one is...

Chlorine Clean Water Hard Water Shower Filter Water Softener

12 Aug 2026

Dr. Cian Gallagher

Does Reverse Osmosis Water Remove Healthy Minerals?

Yes. Reverse Osmosis water has lost most of its calcium and magnesium. For most people this is not a real worry. Food gives us most of our calcium and magnesium, not water. The World Health Organizati...

Clean Drinking Water Essential Minerals Filtered Water Remineralizer Reverse Osmosis

11 Aug 2026

Dr. Eoghan Kelly

Why Your Skin Feels Dry After Showering

Dry, itchy skin after a shower is often linked to hard water and water temperature. The minerals can leave a film on the skin that affects how it feels and how well moisturiser sinks in. Hot water can...

Green Softener Hard Water Health & Wellness Skin and Hair Care Soft Water

6 Aug 2026

How Do You Know If Your RO Membrane Is Bad?

How Do You Know If Your RO Membrane Is Bad? Quick answer: A bad RO membrane usually shows itself through a change in taste, slower water flow, more frequent filter changes, or a rising TDS reading if ...

Filtered Water RO Membranes RO System RO performance Reverse Osmosis TDS testing Water Filtration Water Purifier membrane replacement pre-filter maintenance

4 Aug 2026

Limescale in Your Boiler: Why Hard Water Costs Irish Homes More

Quick answer: In hard water areas, limescale builds up inside your boiler and your home appliances. That layer of scale makes them work harder. Your energy cost goes up and so does your maintenance bi...

Boiler Maintenance Cost and Maintenance Hard Water Limescale Water Softener

31 Jul 2026

Is a Water Softener Worth It? A Complete Guide for Irish Homes

Quick answer: It depends on how hard your water is . In a soft water area, a softener is money you do not need to spend. In a hard water area, it usually pays for itself over time through longer appli...

Hard Water Limescale Water Softener Whole House Water Systems

28 Jul 2026

Dr. Cian Gallagher

Filter Jug, Reverse Osmosis or Bottled Water: What Your TDS Reading Really Says

One simple test tells you a lot about your drinking water. It costs almost nothing. It is called TDS, or total dissolved solids. A small meter reads how many dissolved particles float in your glass. T...

Bottled Water Filtered Water Reverse Osmosis TDS level jug filter

27 Jul 2026

Can We Drink Boiled RO Water? Boil Water Notices in Ireland Explained

If you live in Ireland, you have probably seen a boil water notice at some point . Maybe it arrived as a text alert. Maybe a neighbour mentioned it over the wall. Either way, the routine is familiar. ...

Boiled RO Water Drinking Water Safety Healthy Drinking Water RO Purified Water Reverse Osmosis Water Water Filtration Water Treatment

23 Jul 2026

Dr. Cian Gallagher

Water Safety in Ireland: Is Your Tap Water Safe or Just Legally Acceptable?

Acceptable and safe sound like the same word. In water regulation, they are not. Acceptable means a sample passed a legal test on the day it was taken. Safe is a bigger claim. It covers your supply, y...

Drinking Water Safety Lead Legal limits Water Safety Whole House Filtration

22 Jul 2026

How to Test Your Drinking Water: A Simple Guide

Have you ever filled the kettle, caught an odd smell, and wondered what is coming out of your tap? You are not alone. Most of us drink, cook and bathe in tap water every day without ever knowing what ...

TDS testing Tap Water Safety Water Quality Water Test

20 Jul 2026

Dr. Eoghan Kelly

Hydration in Ireland's Heatwave Summer: Why It Matters More Than Ever

For years, hydration advice in Ireland came with a shrug. Sure, drink your water, but it is hardly Spain out there, is it? This summer has changed the talk. Ireland has already had record May warmth a...

Drinking Water Hydration Hydration tips RO water hydration Summer

17 Jul 2026

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Our columnists

Dr. Cian Gallagher

Water Scientist & Researcher

Aoife Flynn

Columnist, Mom & Homemaker

Simon Newell

Renewell Water Founder

Dr. Eoghan Kelly

General Practitioner