10 Best Water Filtration Softeners in The UK

Last updated on 05/09/2025
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Best Choice
1
9.8
Exceptional
Monarch Water Ultimate Midi HE WRAS-approved Water Softener Includes 15mm Hoses, Suitable for up to 6 people
Monarch Water
Monarch Water Ultimate Midi HE WRAS-approved Water Softener Includes 15mm Hoses, Suitable for up to 6 people
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Why We Love It
  • High quality, durable, and certified.
  • Provides extensive warranty for assurance.
  • Ensures limescale-free water supply.
Main Highlights
  • WRAS-approved โ€“ demonstrating quality and durability of the highest standard
  • 7-year parts and 2-year labour warranty โ€“ for complete peace of mind
  • Removes existing limescale and prevents any new scale forming
  • Protects your appliances. Kinder to your skin and hair
  • Sustainable, efficient and saves you money
  • Includes Rapid-Fit bypass which reduces the components needed for installation by up to 80%
  • Flow rates up to 78 lpm
  • Built in customer protect programme (CPP)
  • Daily capacity of 2,280 litres (at 300ppm)
  • Complete with full installation kit (suitable for 15mm supplies) and water hardness test kit
9.8
Exceptional
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Best Value
2
9.7
Exceptional
Save 7%
BWT WS555 Hi Flow Luxury Water Softener (compatible with salt or tablet) 14 Litres
BWT
BWT WS555 Hi Flow Luxury Water Softener (compatible with salt or tablet) 14 Litres
7% OffFree Shipping
Why We Love It
  • Compact design fits anywhere.
  • Installation is a breeze.
  • Warranty ensures peace of mind.
Main Highlights
  • Compact design: fits in a kitchen cupboard
  • Easy to install
  • Includes installation kit
  • 5 years parts & 2 years labour at home warranty
  • All materials are BS6920 Certified
  • Free Home Commissioning
9.7
Exceptional
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3
9.5
Superb
Eddy Electronic Water Descaler - Water Softener Alternative - Money Back Guarantee - UK/EU Version
Eddy Water Descalers
Eddy Electronic Water Descaler - Water Softener Alternative - Money Back Guarantee - UK/EU Version
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Why We Love It
  • Reduces limescale conveniently.
  • Easy customer installation.
  • Lifetime Repair warranty.
Main Highlights
  • WHO EDDY IS FOR: Eddy is for anyone who wants to reduce or eliminate the effects of costly limescale from their whole house water system. Makes boilers and water heaters more efficient. Increases lifespan of appliances. Stops clogging of taps and showers. Makes hair and skin feel softer. Trial for at least 60 days to see full benefits
  • WHAT EDDY DOES: Eddy is a NO-SALT household electronic water descaler, far healthier and more environmentally friendly alternative to a water softener. Uses our unique micro-chip generated true magnetic pulse waveform. Eddy is BRITISH built, refined and perfected over 25 YEARS in the water treatment business and comes with our renowned customer service
  • EASY DIY INSTALLATION: Simple step-by-step guide supplied with Eddy whole house water descaler shows how to fit Eddy yourself. No need for a plumber. Extra-length cables available in our Amazon store for pipes larger than 25mm diameter. Treats the whole house. Eddy can be fitted to any pipe, copper or plastic, iron or steel
  • DESCALER BETTER THAN SOFTENER: The Eddy ED6002P electric water descaler emulates the effects of softened water by removing damaging effects of limescale without removing healthy minerals. Unlike a water softner Eddy does not waste water. No salt to buy. Cheap to run and maintenance free
  • MONEY BACK GUARANTEE: 12 month โ€œsatisfaction or money-backโ€ warranty and a LIFETIME repair or replace warranty for future peace of mind. Never a need to worry โ€“ With Eddy you are fully covered by our renowned customer service
9.5
Superb
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4
9.3
Superb
Hioph 2Pcs Faucet Filter, Water Tap Activated Carbon Clean Purifier Cartridge, Removes Chlorine Fluoride Heavy Metals Hard Water Softener Anti-Spill Water-Saving Splash-Proof for Kitchen Bathroom Sink
Hioph
Hioph 2Pcs Faucet Filter, Water Tap Activated Carbon Clean Purifier Cartridge, Removes Chlorine Fluoride Heavy Metals Hard Water Softener Anti-Spill Water-Saving Splash-Proof for Kitchen Bathroom Sink
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Why We Love It
  • Promotes a healthy lifestyle.
  • Widely applicable and versatile.
  • Easy to use.
Main Highlights
  • ใ€Healthy Lifestyleใ€‘This medical stone filter removes 99% of lead and reduces chlorine (taste and odor) and asbestos contaminants, commonly found in tap water It features an extra layer to trap sediments and smaller contaminates.
  • ใ€Widely Applicationใ€‘Faucet outlet diameter is 15-26mm approx. Please measure your faucet size and then buy according to the given size. Compact handy, suitable for most of long and round basin faucets, Single/Double hole basin mixer, Shower, Bathtub, Kitchen faucet, ect.
  • ใ€Faucet Water Filterใ€‘Built-in layered filter can separate coconut activated carbon, zeolite, magnetic filter, PVA non-woven fabrics, calcium sulfite and medical stone, which applys to purify hard water and well water. Remove chlorine, heavy metals, other impurities, make water more sweet, more soft, more secure.
  • ใ€Splash-proof and Water-savingใ€‘One water filter can provide up to 100 gallons of filtered tap water. Uniform size of filter holes, don't worry about splashing. Used in home kitchen bathroom any place you need. It is recommended to replace the filter once every four months to obtain more pure water.
  • ใ€Easy to Useใ€‘A must item for home & office use. Superior quality, high temperature resistance, not easy to deform. Easy to install with the flexible and elastic mounting ring, It is firmly fixed without falling off, water will not leak. How to clean? Simply remove the strainer and rinse it off under the water.
9.3
Superb
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5
9.1
Superb
Kinetico Block Salt for Water Softeners - Genuine Kinetico Product - Delivers Superior Performance - 3 packs with 6 salt blocks in total
KINETICO
Kinetico Block Salt for Water Softeners - Genuine Kinetico Product - Delivers Superior Performance - 3 packs with 6 salt blocks in total
Why We Love It
  • Guaranteed 99.9% food grade.
  • Efficient and cost-saving.
  • Protects against costly damage.
Main Highlights
  • Kinetico Original: genuine Kinetico block salt from the leading water softener experts.
  • Peace of Mind Purity: block salt guaranteed to be 99.9% food grade Pure Dried Vacuum salt (PDV).
  • Protects Your Softener: with no risk of sand, grit, and other impurities that do costly damage.
  • Saves You More: with efficient performance from the best quality salt blocks.
  • Ideal For All Block Salt Water Softeners: including Harvey, TwinTec, and MiniMax models (Please note it is NOT suitable for the Arc model).
9.1
Superb
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6
8.9
Excellent
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BRITA Marella Water Filter Jug Graphite (2.4L) Starter Pack incl. 3x MAXTRA PRO Pure Performance cartridge - fridge-fitting jug with digital LTI and Flip-Lid - now in sustainable Smart Box packaging
BRITA
BRITA Marella Water Filter Jug Graphite (2.4L) Starter Pack incl. 3x MAXTRA PRO Pure Performance cartridge - fridge-fitting jug with digital LTI and Flip-Lid - now in sustainable Smart Box packaging
35% OffFree Shipping
Why We Love It
  • Innovative BRITA filtration technology.
  • Eco-friendly, reduces plastic waste.
  • German quality and design.
Main Highlights
  • All-Rounder with the innovative BRITA filtration technology: 150 litres of filtered water with just one cartridge, fitting in standard fridge doors.
  • Features a spout cover, one-hand filling with the flip-lid, BRITA Memo measures time to remind on filter exchange. BPA-free and dishwasher-safe (except digital indicator)
  • MAXTRA PRO 4-stage filtration with natural activated carbon and ion-exchanger pearls: pure and fresh water, full aroma in your coffee and tea and reliable limescale protection.
  • Filters trace impurities, reduces taste-impairing substances such as chlorine, limescale and metals like lead and copper.
  • Improved filter performance: BRITA's new innovative micro-mesh reduces microparticles โ‰ฅ 30 ฮผm. 4x better than our previous BRITA MAXTRA+ filter cartridge
  • Full capacity of 2.4L for 1.4L fresh filtered water (Cool version only). Need for even more fresh filtered water? Check out BRITA Marella XL, BRITA Style XL and BRITA Flow.
  • Included: 1x BRITA Marella water filter jug in Graphite, 3x MAXTRA PRO Pure Performance filter cartridges which each last 150L and are recyclable.
8.9
Excellent
Save 35%
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7
8.8
Excellent
API Aquarium Canister Filtration Water Softener Pillow
API
API Aquarium Canister Filtration Water Softener Pillow
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Why We Love It
  • Softens hard aquarium water.
  • Reduces calcium and magnesium.
  • Easy fits most canister filters.
Main Highlights
  • Contains one API Water Softener Pillow Aquarium Canister Filter Filtration Pouch 1-Count Bag
  • Softens hard water
  • Reduces general hardness by lowering calcium and magnesium
  • Easy-to-use pre-dosed pouch fits most canister filters on the market for freshwater aquariums
8.8
Excellent
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8
8.7
Excellent
Save 3%
Harvey Block Salt for Water Softeners | Original Pure Grade A Food Quality Salt | 3 Bags, Securely Boxed | Each Bag Contains 2 Blocks | Efficient Softening Solution
Harvey
Harvey Block Salt for Water Softeners | Original Pure Grade A Food Quality Salt | 3 Bags, Securely Boxed | Each Bag Contains 2 Blocks | Efficient Softening Solution
3% Off
Why We Love It
  • High-quality, pure grade salt.
  • Compatible with various softeners.
  • Efficiently prevents limescale build-up.
Main Highlights
  • Harveyโ€™s original block salt, 3 packs, boxed securely. Each pack holds 2 salt blocks, totaling 6 blocks, each weighing 4kg, ensuring ample supply for efficient softening.
  • Suitable for most standard water softeners that use block salt, including most Harvey, Kinetico, Crown, Monarch, TwinTec and Minimax models (please note, it is NOT suitable for the following models: HarveyArc, Minimax Innova and TwinTec Cobalt models, as these use our Mini Curve Salt Blocks)
  • Experience the purity of our Grade A water softener salt, meeting stringent standards (BS EN973), ensuring unmatched softening efficiency and water quality enhancement.
  • Crafted in the UK, our salt, sourced from trusted suppliers, undergoes meticulous manufacturing to meet stringent quality standards, ensuring superior performance and reliability.
  • Essential for water softeners, salt enables efficient regeneration, ensuring continual removal of minerals responsible for limescale buildup, maintaining optimal performance.
8.7
Excellent
Save 3%
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9
8.7
Excellent
Monarch Water Ultimate 10kg Water Softener Salt Tablets - BS EN973 Class A Approved
Monarch Water
Monarch Water Ultimate 10kg Water Softener Salt Tablets - BS EN973 Class A Approved
Free Shipping
Why We Love It
  • Food grade purity ensured.
  • Rapidly dissolves premium brine.
  • Ideal for various softeners.
Main Highlights
  • Food Grade Purity
  • Suitable for a wide range of water softeners
  • Rapidly dissolves to produce premium quality brine
  • 10kg Salt Tablets
  • BS EN 973 Grade A
8.7
Excellent
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10
8.7
Excellent
Water Softening Resin, Ion Exchange Water Softener Resin 1L, 2L & 5L WQA Certified Food Grade (2 Litre)
Ultra Soft Water
Water Softening Resin, Ion Exchange Water Softener Resin 1L, 2L & 5L WQA Certified Food Grade (2 Litre)
Why We Love It
  • High-quality WQA certified resin.
  • Versatile for multiple applications.
  • Easily regenerable for long-lasting use.
Main Highlights
  • PREMIUM RESIN: WQA certified according to NSF/ANSI 44 & 61 for use in treatment of foods for human consumption
  • UNIVERSAL USE: Can be used as replacement resin for ion exchange water softeners or filter cartridges
  • REGENERABLE: Resin can be regenerated using a brine solution
  • PACK SIZES: Conveneint pack sizes to suit all customers
8.7
Excellent
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