Comparison
Removal is not the same as improvement.
We are not going to pretend reverse osmosis is bad technology. It is superb at removal. The question is whether removal alone is what you want from the water you drink every day for decades.
| Capability | Municipal tap | Reverse osmosis | LonGeVa |
|---|---|---|---|
| Removes chlorine, taste & odour | |||
| Reduces micropollutants & PFAS-type organics | |||
| Keeps natural calcium & magnesium | |||
| Prevents limescale without salt | |||
| No brine or waste water | |||
| No electricity or dosing pumps | |||
| Redox-active, low-oxidative water | |||
| Magnesium available for cellular energy |
Technology by technology
What each approach does well — and where it stops
Reverse osmosis
Genuinely excellent at removal. If your only goal is the lowest possible total dissolved solids, RO wins.
- Removes calcium and magnesium along with contaminants, producing demineralised water.
- Rejects a significant share of feed water to drain — a real cost where water is scarce or metered.
- Needs pressure, often a pump and a storage tank; membranes foul and need replacing.
- Does not prevent scale downstream of the unit in the rest of the building.
Ion-exchange softener
Effective at eliminating hardness symptoms — no scale, better lathering.
- Exchanges calcium and magnesium for sodium: worse water to drink, and unsuitable for irrigation.
- Requires regular salt purchases and produces brine discharge.
- Does not remove chlorine, organics or micropollutants.
- Regeneration cycles mean downtime and consumption.
Carbon cartridge / jug filter
Cheap, easy, improves taste at one tap.
- No scale protection anywhere in the building.
- Silent breakthrough — capacity is exhausted before performance visibly changes.
- Frequent replacement, ongoing plastic waste.
- No redox or mineral engineering at all.
Where LonGeVa sits
Subtract the load. Keep the composition.
LonGeVa removes chlorine, chloramine and organic micropollutants, prevents scale by transforming hardness rather than exchanging it, and lowers oxidative potential — while calcium and magnesium stay exactly where they belong. No salt, no brine, no reject stream, no electricity.
Comparisons describe typical characteristics of each technology class. Actual results depend on feed water, sizing and installation. Ask us for the figures relevant to your water analysis rather than relying on generic comparisons — including ours.