Water Supply Analysis: Outcode GY1
Looking for water hardness metrics in GY1? Water supplied by Guernsey Water in this outcode registers a baseline average of 140 PPM across 6 distinct postcode sectors.
Water chemistry can fluctuate across supply zones in GY1. The lowest mineral concentration is recorded in sector GY1 1 at 140 PPM, whereas sector GY1 7 experiences higher mineral levels reaching 140 PPM.
Due to the moderately hard water (140 PPM) in GY1, limescale build-up can occur on heating elements, shower heads, and boilers. Setting your dishwasher water softener to the correct level (e.g. Bosch setting H01) is strongly recommended to prevent cloudy glassware and internal scale accumulation. Review the individual postcode sectors below to get precise dishwasher salt settings and limescale recommendations.