AquaScaleEurope

Valencia vs London

Water hardness comparison — how the two cities differ and what it means for your home.

Valencia

spain

276mg/L

Very Hard Water

19.32°e
Very Hard
Base Unit (CaCO3): 276 mg/LLocal Unit
Full Valencia data →
Harder

London

united kingdom

277mg/L

Very Hard Water

19.39°e
Very Hard
Base Unit (CaCO3): 277 mg/LLocal Unit
Full London data →

Side-by-Side Impact

Impact AreaValenciaLondon
Limescale buildupRapid — visible within weeksRapid — visible within weeks
Boiler/heating riskAnnual descaling requiredAnnual descaling required
Dishwasher salt settingMax salt setting (5–7)Max salt setting (5–7)
Skin & hair impactHigh eczema/dry skin riskHigh eczema/dry skin risk
Detergent usage+30–40% more detergent+30–40% more detergent

Key Findings

Hardness Difference: 1 mg/L

The difference between Valencia and London is relatively small. Both cities fall into the same hardness category and would use similar appliance settings and treatment products.

Compare With Other Cities