Side-by-Side Water Hardness Calculator

Compare Water Hardness

Analyze real-time PPM, Clark degrees, limescale risk, and dishwasher salt settings between any two UK postcode sectors.

Water Quality Comparison Analysis

Executive Summary: Sector B1 1 vs Sector M1 1

Comparing tap water mineral concentration between Sector B1 1 (Severn Trent Water) and Sector M1 1 (United Utilities) reveals a water hardness difference of 115 PPM. Sector M1 1 has softer water at 45 PPM (Soft) compared to Sector B1 1 at 160 PPM (Moderately Hard).

Limescale risk and boiler heating efficiency vary based on these mineral levels. Households in Sector B1 1 experience higher heating element degradation and kettle scale accumulation due to elevated calcium carbonate density (160 PPM vs 45 PPM).

For home appliance setup, Bosch dishwasher water softener settings should be calibrated accordingly: Sector B1 1 requires setting H02 whereas Sector M1 1 recommends setting H00 (No Salt Required).

NP

Sector M1 1 has 115 PPM LOWER water hardness than Sector B1 1

Lower PPM indicates softer water, reduced limescale risk, and lower detergent usage.

Water Metric
Sector B1 1Outcode: B1
Sector M1 1Outcode: M1
Hardness (PPM)
160 PPM
45 PPM
Clark Degrees
11.2 °Clark
3.2 °Clark
Classification
Moderately Hard
Soft
Bosch Salt Setting
H02
H00 (No Salt Required)
Water Supplier
Severn Trent Water
United Utilities
Postcodes Covered
125 postcodes
84 postcodes