水為何會硬起來? (附表列英國軟硬水區)
- 遊走英國travel.london.uk
- Aug 2, 2020
- 3 min read
Updated: Mar 17, 2022
有無人同你講過英國啲自來水係硬水? 有無聽到一頭霧水, 諗緊啲水點解「硬起來」?
甚麼是硬水?
硬水(hard water)其實係指水含有好多礦物質, 例如鈣(Calcium)同鎂Magnesium, 而雨水就算係軟水(soft water)
點解會出現硬水?
英國, 尤其是英格蘭東南部, 地底係由大量沉積岩例如石灰岩(limestone), 白堊(chalk), 燧石(flint), 砂岩(sandstone)組成, 當雨水經地面入咗地底流動時就會將呢啲礦物溶入水中!
硬水飲唔飲得?
飲用硬水係安全嘅, 而喺英國水喉水係可以直接飲用嘅, 我地蘇格蘭高地旅行時, Airbnb屋主仲叫我地飲多啲水喉水, 佢話啲水即係喺超級巿場買嘅Highland Spring礦泉水!
自來水係硬水有咩壞處?
水煲, 花灑頭, 甚至間屋維修最貴嘅boiler會不斷積聚一層層lime, 影響功能
香港用開嘅洗頭水或沖涼梘液加埋硬水可能無咁易起泡(所以有人會建議用番local品牌嘅先會同硬水夾)
沖完涼啲水喺浴屏乾咗後會變造一層lime, 望落去好似好污漕咁, 要額外清潔功夫
有咩解決方法?
如果想飲少啲硬水, 最方便方法係買一啲濾水壼(例如Brita), 每次煲水前先將啲水過濾, 減去一啲礦物!
喺屋企裝一啲water softener, 由屋企嘅水源去除礦物, 咁就唔洗每次用水都要等個濾水壼濾水咁麻煩!
如果水煲/熨斗呢啲家庭電器積咗一層lime, 可以去超級巿場買啲Descaler溝落水度, 再加落水煲/熨斗去整甩層lime
浴屏/花灑頭嗰啲lime就可以用啲噴裝嘅limescale remover喺沖完涼後噴一噴, 溶咗啲啲lime令佢地唔會留喺表面
遊走英國
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附表: 英國各軟水硬水區
England
Bath - Hard
Birmingham - Moderate/Hard
Blackburn - Soft
Blackpool - Soft
Bolton - Soft
Bournemouth - Hard
Bradford - Soft
Brighton - Hard
Bristol - Hard
Bromley - Hard
Cambridge - Hard
Canterbury - Hard
Carlisle - Hard/Soft
Chelmsford - Hard
Chester - Soft/Hard
Cleveland [Teesside] - Soft
Colchester - Hard
Coventry - Hard
Crewe - Soft
Croydon - Hard
Darlington - Soft
Dartford - Hard
Derby - Hard/Soft
Doncaster - Hard
Dorchester - Hard
Dudley - Moderate
Durham - Soft
Enfield - Hard
Exeter - Soft
Gloucester - Moderate
Guildford - Hard
Halifax - Soft
Harrogate - Soft
Harrow - Hard
Hemel Hempstead - Hard
Hereford - Moderate
Huddersfield - Soft
Hull - Hard
Ilford - Hard
Ipswich - Hard
Kingston upon Thames - Hard
Lancaster - Soft
Leeds - Hard/Soft
Leicester - Hard
Lincoln - Hard
Liverpool - Soft
London E - Hard
London EC - Hard
London N - Hard
London NW - Hard
London SE - Hard
London SW - Hard
London W - Hard
London WC - Hard
Luton - Hard
Manchester - Soft
Medway / Rochester - Hard
Milton Keynes - Hard
Newcastle upon Tyne - Hard
Northampton - Hard
Norwich - HardNottingham - Hard
Oldham - Soft
Oxford - Hard
Peterborough - Hard
Plymouth - Soft
Portsmouth - Hard
Preston - Soft
Reading - Hard
Redhill - Moderate
Romford - Hard
Salisbury - Hard
Sheffield - Hard
Slough - Hard
Southall Uxbridge - Hard
Southampton - Hard
Southend-on-Sea - Hard
St Albans - Hard
Stevenage - Hard
Stockport - Soft
Stoke-on-Trent - Hard
Sunderland - Hard
Sutton - Hard
Swindon - Hard
Taunton - Moderate
Telford - Hard
Tonbridge - Hard
Torquay - Soft
Truro - Soft
Twickenham - Hard
Wakefield - Hard
Walsall - Moderate
Warrington - Soft
Watford - Hard
Wigan - Soft
Wolverhampton - Hard
Worcester - Moderate
York – Hard
Wales
Cardiff - Soft
Llandrindod Wells - Moderate
Llandudno - Soft/Moderate
Newport - Moderate
Swansea - Soft
Shrewsbury - Moderate
Scotland
Aberdeen - Soft
Dundee - Soft
Dumfries & Galloway - Soft
Edinburgh – Soft/Moderate
Falkirk & Stirling - Soft
Glasgow - Soft
Galashiels - Soft
Inverness - Soft
Kilmarnock - Soft
Kirkwall - Soft
Kirkcaldy - Soft
Motherwell - Soft
Paisley - Soft
Perth - Soft
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