It’s a question we hear often at Filpure: “Is reverse osmosis water hard on the kidneys?” The short answer is: No, reverse osmosis water is not harmful to your kidneys, in fact, it may offer important health benefits, especially when restructured to include essential minerals and alkalinity.
Let’s break it down so you can make an informed, confident decision for your family’s health, hydration, and long-term wellbeing, especially if kidney health is a priority in your household.
What Is Reverse Osmosis Water?
Reverse osmosis (RO) is a high-efficiency filtration process that removes up to 99% of contaminants from tap water, including:
- Fluoride
- Chlorine and chloramines
- PFAS (forever chemicals)
- Heavy metals like lead and mercury
- Microplastics
- Bacteria and viruses
The result is “exceptionally clean water”, but many RO systems also remove minerals like calcium and magnesium. And this is where the myth about “kidney health” confusion begins.
Does RO Water Affect Kidney Function?
According to kidney specialists and nutritional science, drinking purified water from RO systems is not harmful to your kidneys. In fact, it may help them function more efficiently by reducing the toxin load they need to filter out.
The Real Issue: Low Mineral Content in Some RO Systems
It’s true that pure RO water (without remineralisation) is low in electrolytes. For most healthy people, this is not an issue—but for individuals with kidney disease or specific health conditions, electrolyte balance is important.
That’s why at Filpure, our alkaline reverse osmosis systems are designed to restore essential minerals and provide water that’s:
- ✔ Balanced in pH (alkaline, not acidic)
- ✔ Rich in calcium, magnesium, and potassium
- ✔ Hydrogen-rich and antioxidant-forming
Is RO Water Too “Pure” for the Body?
This is a common misconception. While distilled water may be too low in minerals for everyday use, remineralised RO water like that provided by Filpure’s systems is ideal for hydration and kidney support.
What Doctors Say
The National Kidney Foundation does not advise against reverse osmosis water. In fact, patients with chronic kidney disease are often told to avoid excess sodium, fluoride, and heavy metals, all of which RO water removes.
Filpure’s Solution: Clean Water That Nourishes, Not Just Filters
At Filpure, we go the extra mile. We don’t just stop at filtration, we believe water should also nourish the body, support health, and enhance hydration, especially for those concerned about their kidneys or general wellness.
✔ Alkaline RO Systems with Remineralisation
Our systems add back key minerals that RO removes. The result is safe, clean, and alkaline-rich water that’s gentle on the kidneys and hydrating at the cellular level.
✔ Hydrogen-Rich, Low ORP Water
Advanced models like the King Series Model F6 don’t just clean water, they enhance it with hydrogen molecules and low ORP (oxidation reduction potential) for antioxidant benefits.
Low ORP Explained
Water with a lower ORP is considered more antioxidant, helping the body reduce oxidative stress, a factor in inflammation, aging, and organ stress.
Real Stories from Our Sydney Clients
“My husband is on dialysis and we were worried about tap water. Since switching to a Filpure alkaline RO system, his energy has improved, and his doctor approves. It’s peace of mind in every glass.” – Amal D., Guildford NSW
How Our Reverse Osmosis Systems Work
- Stage 1–3: Sediment and carbon filters remove large particles and chlorine
- Stage 4: Reverse osmosis membrane filters out PFAS, fluoride, lead, and bacteria
- Stage 5–6: Mineral and alkaline cartridge restores calcium and magnesium
- Optional Stage 7–8: Hydrogen and antioxidant enhancement
Conclusion: Reverse Osmosis Is Safe—When It’s Done Right
To answer the question clearly: Reverse osmosis water is not hard on the kidneys. In fact, clean, mineral-balanced water supports kidney function and overall health. At Filpure, our systems take it a step further ensuring you don’t just drink pure water, but water that works with your body, not against it.
Don’t settle for filtered water that’s too stripped or harsh. Choose a system that’s Australian & USA-Made, and designed with health, hydration, and peace of mind in mind.
Contact Filpure today to learn more about our alkaline RO systems and which model suits your family’s needs best.
