uk water map with water making up to 98% of coffee and 99% of tea, regional variance can have a major impact on the flavour, aroma and appearance of hot beverages. our water map shows how water varies across the country, and how it can be optimised to provide consistent quality in the cup. s 1 edinburgh the minimal chalk content in the soil here means the water is very soft. h 8 belfast the hardest water here can be found in the postcode area bt17. s h water type your water type is affected by many factors and one of the most significant is mineral content. levels of minerals like limestone and chalk determine whether your water is hard or soft. carbonate hardness soft hard 17 1 the carbonate hardness (dkh) scale is a way of measuring the levels of bicarbonates and carbonates to find the temporary hardness of water. the higher your dkh, the harder the water. *carbonate hardness (dkh) supplied by local water board. s 2 swansea the soft water here is thanks to the direct supply from the cray reservoir. h 11 bristol the geology here is mainly limestone, causing the water to be hard. s 2 plymouth the water here is soft as it comes from moorland rivers and manmade reservoirs. h 8 newcastle northumbria’s geology is mainly characterised by sedimentary rocks. s 2 sheffield the proximity of the peak district plays a major part in the soft water here. h 14 lincoln water here is very hard thanks to the high chalk content in the rocks. h 17 norwich the hardness here is explained by the water source - the chalk-fed river wensum. h 10 london the soil here contains a lot of chalk and much of the water is pumped from underground. h 14 dover the fresh water here is particularly hard as it comes from underground water stores in local chalk and gravel aquifers.
what the experts say: gary norwood, brita professional jane pettigrew, uk tea academy matt beynon, wogan coffee “often people think because their water is soft they don’t need a water filter. but soft water still contains minerals, which can have a drastic effect on the taste of your hot beverage, which a filter can fix.” did you know... “tea brewed in optimised, filtered water is crystal clear, and allows the sweetness and complexity of the flavours to shine. the adulterants in non- filtered water dull the brightness and clarity of water, and kill the flavours.” “after well-sourced, roasted, and crafted coffee, water is the most important ingredient in your cup. coffee made with non-filtered water lacks the clarity, character and depth of a great cup of coffee, and can result in a coffee lacking in the expected qualities.” 98% coffee water makes up hard water is caused by rainwater running over soft, spongy rocks, like limestone or chalk 99% tea 60% of the uk has hard water in the uk every person uses approximately 150 litres of water a day how to test your water… water hardness can vary regionally - and even street to street. you can test the hardness of your water using our easy-to-use temporary or total hardness test kits. which filter should i choose? s h soft water areas: purity fresh. for crystal clear water, free from unwanted odours caused by impurities like chlorine. hard water areas: purity c range with a variable head adjusted to the right setting for your water make up. for total confidence that your water experience is the best it can be, and your equipment is protected from scale build up. think your water. call 0844 742 4990 or visit www.brita.co.uk/professional @britapro /brita-gmbh