Your WaterIs DestroyingYour Home.
Hong Kong's aging internal plumbing and rooftop storage tanks deposit calcium scale on your fixtures, void appliance warranties, and corrode the pipes you can't see. Soften ends it — permanently.
Cross-section · Mid-Levels building, 2024
"8mm of scale in 3 years"
Pipe corrosion detected in this district
Mid-Levels West · Today
// Evidence
The damage is
already happening.
Data from 847 Soften assessments across Hong Kong districts, 2022–2025. Cross-referenced with WSD quality reports and building management records.
8mm calcium scale · 3-year buildup
Pipe from serviced apartment, The Peak · 2024
Zero scale · 18 months post-installation
Same building · Same floor · 2026
Hong Kong by District
Measured post-tank, at tap. CaCO₃ mg/L · 2025 Q4 samples
Appliance Warranties Voided
Hansgrohe, Miele, and Gaggenau warranty terms explicitly require filtered water. Scale voids coverage on day one.
Pipe Replacement Costs
Once scale occludes beyond 40%, pipes must be replaced — not descaled. Most Mid-Levels buildings hit this threshold within a decade.
Dermatologist-Confirmed Skin Damage
"Mineral deposits from HK building tanks are the most common non-allergenic skin irritant I see in expat patients." — Dr. Sarah Leung, MBBS
Commercial Equipment Failure
Sheung Wan cafés servicing their machines every six months without filtration spend HK$3,200 per service. Soften customers: once in three years.
"We replaced the pipes in three units last year — HK$156,000 total. Our property manager told us about Soften six months too late. The whole building is on the system now."
Jonathan Marsh
Building owner, 24 units · The Peak
Savings year-on
HK$52k
vs. annual maintenance cost pre-Soften
// Trusted By
The buildings
already protected
From boutique serviced apartments to five-star hotels — when their warranties require it, they call Soften.
14 buildings on Soften
Entire plumbing fleet
Warranty requires filtration
Recommended partner HK
38 managed buildings
Service interval: 3× longer
Warranty compliance partner
Tenant satisfaction +31%
14 buildings on Soften
Entire plumbing fleet
Warranty requires filtration
Recommended partner HK
38 managed buildings
Service interval: 3× longer
Warranty compliance partner
Tenant satisfaction +31%
12 buildings, 840 units
Full building system
Recommended to all tenants
Approved installer
Kitchen & guest rooms
Warranty compliance
22 managed properties
Recommended filtration partner
12 buildings, 840 units
Full building system
Recommended to all tenants
Approved installer
Kitchen & guest rooms
Warranty compliance
22 managed properties
Recommended filtration partner
// The Process
Three steps to
impossibly soft water
From booking to running water — most installations complete in a single day with zero disruption to your household.
Free On-Site Water Test
A Soften technician visits your flat — free, no commitment. We test your tap water, measure scale deposits, inspect visible pipe runs, and photograph any fixture damage. You receive a full written report within 24 hours.
Bespoke System Design
We design a filtration system specific to your building's plumbing topology, flat size, and water usage pattern. Studio to 4-bedroom. Commercial to residential.
Installation & Annual Maintenance
One-day installation with zero household disruption. Annual filter replacement and system health check included — we handle everything, you just turn the tap.
// Book Now
Find out what's
in your water. Free.
No sales pitch. No commitment. A Soften technician visits, tests your water, and hands you a written report — whether you proceed or not.
Not ready to book?
Download the Hong Kong
Water Quality Report
District-by-district breakdown of post-tank water quality, scale risk ratings, and appliance warranty implications. 24-page report, free.
What happens during the free test?
TDS and hardness measurement at tap
Photographic report of fixture condition
Written assessment with scale risk rating
No-obligation quote if you want to proceed