What is limescale and where does it come from?

Limescale is the build‑up of calcium carbonate (and minor minerals) in your water supply. It forms tough, crusty layers that cling to pipes, appliances and fittings, reducing efficiency and lifespan.

Is Halcyan a water softener?

No. It's a water conditioner that makes hard water behave like soft water—softer on the skin, hair, and appliances—without removing healthy minerals.

How does Halcyan compare with a salt softener?

Salt softeners remove minerals but require ongoing salt, maintenance, and separate drinking water taps. Halcyan leaves minerals in the water, changes their behaviour, and operates salt‑free, maintenance‑free, and space‑free for up to 30 years.

Can Halcyan remove as well as prevent limescale?

Yes. It gradually dissolves existing limescale over weeks or months while preventing new build‑up. The timeframe depends on how bad the scale is.

Will I see residue on surfaces?

You may notice a light, non‑bonding calcium carbonate powder. This is treated mineral residue—not damaging scale—and can simply be wiped away during normal cleaning.

Will it clear scale out of my kettle?

All but a very thin layer on the heating element. That thin layer is non‑damaging and continually dissolved by treated water; it does not impair performance. Occasional rinsing is sufficient.

What protection does the 12‑month guarantee provide?

If the unit doesn’t perform as expected, you're eligible for a replacement or a full refund.

Why offer a 30‑year warranty?

To provide confidence in the long lifespan of the unit. This manufacturer’s warranty is included at no extra cost.

Which size unit should I order?

For over 95% of UK homes, the H2o9 model is recommended, with a flow of up to 17 litres per minute. Larger households may require the H2o18 unit.

Could you recommend a plumber?

Halcyan notes its units are generally straightforward to install and suggests using the CIPHE’s postcode-based “Local Plumber Finder” if you don’t already have someone trusted.

Is it easy enough to install the unit myself?

Yes—DIY installation by a skilled enthusiast typically takes 1 to 2 hours. Professional installation usually takes up to 1 hour.

Is treated water safe to drink?

Absolutely. The water retains all original mineral content and quality. Halcyan is WRAS approved, meaning it meets UK drinking water safety standards.

Will the unit change my water quality or taste?

No. Nothing is added or removed—just the scale-causing behaviour of the minerals. Some users report improved taste or texture though mineral levels remain unchanged.

Does Halcyan filter out impurities?

No, it isn’t a filter. If you use water filters for taste or contaminants, Halcyan will help prolong their lifespan but does not replace them.

Is Halcyan water good for plants and gardens?

Yes. Re‑engineered water has reduced electrical conductivity, making mineral-rich water easier for plants to absorb via osmosis.

How eco‑friendly is Halcyan?

Extremely. Operates with no power, no chemicals or salts, no effluent, and lasts over 30 years—all components are recyclable.

Why is Halcyan priced as it is?

Halcyan positions itself as a premium system in a market full of variable quality products. They argue you get what you pay for and that their long-lasting, proven performance justifies the cost.

How will I know if it's working?

They recommend photographing surfaces and appliances at installation then comparing after several weeks. You may notice improvements in skin feel, soap lathering, and reduced dryness. There’s a 12‑month satisfaction guarantee if you’re not happy.

How long has Halcyan been in use?

Over 35 years, globally across industries like healthcare, construction, leisure, hospitality and agriculture.

Halcyan Installation Instructions