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.
Begin with a complimentary water test.
We visit your home, test your water on-site, and explain the results clearly — with a considered recommendation and no obligation to proceed.
No obligation
Honest advice, zero pressure
Same-week visits
Across 13 counties
5.0 rated
By Irish homeowners