Reverse Osmosis
Advanced membrane filtration for the purest water possible.
- Free consultation
- Professional installation
- 5-year warranty
- Ongoing support
The problem, and how we treat it.
Reverse osmosis is the gold standard in water purification. Semi-permeable membranes remove up to 99% of dissolved contaminants — heavy metals, chemicals, bacteria and viruses. Fitted at point of use, it gives you ultra-pure water for drinking and cooking.
Key benefits
- Removes up to 99% of contaminants
- Eliminates heavy metals and chemicals
- Great tasting, odourless water
- Reduces sodium and chloride levels
- Removes bacteria and viruses
- Cost-effective compared to bottled water
- Environmentally friendly solution
Engineered, installed and supported properly.
Your reverse osmosis installation, step by step.
Water quality assessment
System selection and sizing
Professional installation
System testing and commissioning
Reverse Osmosis — your questions answered.
RO removes dissolved salts, heavy metals, chemicals, bacteria, viruses, and most other contaminants. It is one of the most comprehensive water treatment methods available.
Still have a question? Talk to our team or call 046 9557719.
Free consultation
Book a free consultation
Not sure if reverse osmosis is what your water needs? Leave your number and a Keystone Water specialist will call you back — no pressure, no obligation.
- Free, no-obligation advice
- 5.0 rating from Irish homeowners
- Over 20 years treating Irish water
Other ways we can help.
Ready to fix your water for good?
Enquire today. We survey your supply, explain the results clearly, and recommend only what your home genuinely needs.
No obligation
Honest advice, zero pressure
Same-week visits
Across 13 counties
5.0 rated
By Irish homeowners