10 Best Hard Water Dishwasher Detergent in The UK

Last updated on 16/07/2025
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Best Choice
1
9.9
Exceptional
2 x 5 Litres Pro-Kleen Heavy Duty Dishwasher Detergent
Pro-Kleen
2 x 5 Litres Pro-Kleen Heavy Duty Dishwasher Detergent
Why We Love It
  • Professional-grade clean every use.
  • Effective in hard water.
  • Ideal for all machines.
Main Highlights
  • Heavy Duty Dishwasher Liquid Detergent suitable for all machines with a dispenser
  • Advanced formula to remove stubborn food debris and soils for a thorough and professional standard clean and leave your dishes gleaming.
  • Also contains a water softener for use in hard water areas
  • Economical in use and can be used concentrations as low as 1200:1 with temperatures at 60-65 Degrees
  • Ideal for both domestic and commercial premises
9.9
Exceptional
Amazon Logo
Best Value
2
9.7
Exceptional
We Can Source It Ltd - Hard Water Dishwasher Detergent and Built-in Tannin Remover - Stain Remover For Professional and Commercial Grade Use - 2 x 5 Litres
We Can Source It Ltd
We Can Source It Ltd - Hard Water Dishwasher Detergent and Built-in Tannin Remover - Stain Remover For Professional and Commercial Grade Use - 2 x 5 Litres
9.7
Exceptional
Amazon Logo
3
9.6
Superb
Finish Ultimate Plus Infinity Shine Dishwasher Tablets Bulk | Scent : Lemon | Size: 105 Dishwasher Tabs |for Superb Clean and Diamond Shine
Finish
Finish Ultimate Plus Infinity Shine Dishwasher Tablets Bulk | Scent : Lemon | Size: 105 Dishwasher Tabs |for Superb Clean and Diamond Shine
Free Shipping
Why We Love It
  • Unbeatable cleaning without pre-rinsing.
  • Protects and shines glassware.
  • Recyclable eco-friendly packaging.
Main Highlights
  • SUPERB CLEAN: Let your dishwasher and the powerful Finish Ultimate Plus dishwasher tablets formula take care of your dirty dishes with its superb clean without pre-rinsing
  • CYCLE SYNCTM 4 ACTIONS THROUGHOUT THE CYCLE: Its advanced chemistry tackles even burnt-on stains without pre-rinsing, delivering 4 actions throughout the wash cycle
  • PROTECT YOUR GLASSWARE: The tablets protect and care for your glassware and cutlery, maintaining their shine wash after wash Our revolutionary performance with 15% less chemical weight than Finish's traditional hard-pressed powder tabs***
  • Recyclable Packaging
  • The date that can be seen on the packaging is the manufacturing date The standard shelf life of dishwasher tablets is two years but it's best not to stockpile Finish products in case the product and its packaging deteriorates over time
9.6
Superb
Amazon Logo
4
9.5
Superb
McKLords Dishwasher Detergent, 10 Litre (2x5 Litre), Clear
McKLords
McKLords Dishwasher Detergent, 10 Litre (2x5 Litre), Clear
Free Shipping
Why We Love It
  • Powerful dishwasher detergent.
  • Removes food and grease.
  • Quick and easy.
Main Highlights
  • Powerful dishwasher detergent
  • Removes food and grease
  • Suitable for all machines
  • Quick and easy to use
9.5
Superb
Amazon Logo
5
9.3
Superb
Finish Dishwasher Tablet, Ultimate Infinity Shine, 100 Tablets, Lemon Sparkle, Clean & Shine Detergent Tabs, Tough on Grease Stains, Effective for Short Eco Cycle
Finish
Finish Dishwasher Tablet, Ultimate Infinity Shine, 100 Tablets, Lemon Sparkle, Clean & Shine Detergent Tabs, Tough on Grease Stains, Effective for Short Eco Cycle
Free Shipping
Why We Love It
  • Ultimate clean and shine delivered.
  • Efficient in eco-cycle mode.
  • No pre-rinse necessary.
Main Highlights
  • Tough on grease: Finish Ultimate Infinity Shine dishwasher tablets deliver 2x more cleaning power than Finish Quantum, tackling even the toughest 48-hour dried-on stains without the need to pre-rinse, the advanced formula effortlessly cuts through stubborn grease and grime, leaving your dishes sparkling clean
  • Protector shield: The Glass Protect formula of these dishwasher tablets effectively protects your glasses, dish-decor and silverware to keep them shinier for longer
  • Clean your dishes without pre-rinsing: Let your dishwasher and the powerful formula of Finish Quantum dishwashing detergent take care of the dirty dishes without pre-rinsing
  • Short eco cycle: With a fast-dissolving formula, these tablets activate quickly, working effectively even in short or eco cycles to save time and energy without sacrificing performance
  • Boost your dishwashing experience: 1 Use rinse aid for drying and spot prevention, 2 Use dishwasher cleaner for a hygienically clean dishwasher
  • Finish is trusted by leading dishwasher brands like Bosch, Hisense, Siemens, Neff, and Smeg, ensuring reliable results with every wash
  • Packaging may vary
9.3
Superb
Amazon Logo
6
9.3
Superb
Save 7%
Jantex Pro Hard Water Dishwasher Detergent 5 Litre, Pack Quantity: 1 x 5Ltr, GM981
JANTEX
Jantex Pro Hard Water Dishwasher Detergent 5 Litre, Pack Quantity: 1 x 5Ltr, GM981
7% OffFree Shipping
Why We Love It
  • Sparkling results always achieved.
  • Exceptional cost-per-use efficiency.
  • Perfect for commercial use.
Main Highlights
  • POWERFUL CLEANING ACTION: Low-foaming detergent easily tackles heavy soiling for sparkling results
  • COST-EFFECTIVE: The concentrated solution ensures excellent cost-per-use, reducing overall expenses
  • PROFESSIONAL GRADE: Specially formulated for commercial applications & professional use
  • ACCURATE DOSAGE: Simple dilution ratio of 2.5ml per litre of water guarantees efficient use
  • LARGE SUPPLY: Comes in a substantial 5Ltr container, ideal for sustained use in busy environments
  • LIMESCALE PROTECTION: Contains descaling agents to protect machines & maintain performance in hard & soft water areas
9.3
Superb
Save 7%
Amazon Logo
7
9.2
Superb
We Can Source It Ltd - Hard Water Dishwasher Detergent and Built-in Tannin Remover - Stain Remover For Professional and Commercial Grade Use - 5 Litres
We Can Source It Ltd
We Can Source It Ltd - Hard Water Dishwasher Detergent and Built-in Tannin Remover - Stain Remover For Professional and Commercial Grade Use - 5 Litres
9.2
Superb
Amazon Logo
8
9.2
Superb
McKLords Dishwasher Detergent, 5 Litre, Clear
McKLords
McKLords Dishwasher Detergent, 5 Litre, Clear
Free Shipping
Why We Love It
  • Promises powerful cleaning performance.
  • Eliminates food and grease swiftly.
  • Adaptable to numerous machines.
Main Highlights
  • Powerful dishwasher detergent
  • Removes food and grease
  • Suitable for most types of machines
  • Quick and easy to use
9.2
Superb
Amazon Logo
9
9.0
Superb
Cleanline Machine Dishwasher Detergent for Hard Water, 5L, High Performance, Automatic Dosing, Excellent Soil Removal
Ican PRODUCTS
Cleanline Machine Dishwasher Detergent for Hard Water, 5L, High Performance, Automatic Dosing, Excellent Soil Removal
Why We Love It
  • High-Performance in hard water.
  • Removes grease and scale.
  • Efficient for commercial use.
Main Highlights
  • High-Performance Detergent: A powerful automatic dishwashing detergent formulated to provide excellent soil removal in hard water conditions.
  • Effective Scale Control: The detergent contains powerful scale control agents that prevent scaling and ensure excellent removal of grease, fats, and dried-on food.
  • Commercial-Grade Formulation: Designed for use in commercial dishwashing machines and dispensed using an automatic dosing system or integral dosing pumps.
  • Concentrated Formula: The 5-litre (1.32-gallon) pack size offers a concentrated and efficient solution for commercial dishwashing needs.
  • Hard Water Compatibility: Specially formulated to perform effectively in hard water conditions, ensuring spotless and hygienic dishwashing results.
9.0
Superb
Amazon Logo
10
8.9
Excellent
Celtic Clean - Dishwasher Detergent - 5 Litre
Celtic Clean
Celtic Clean - Dishwasher Detergent - 5 Litre
Free Shipping
Why We Love It
  • Superior cleaning power every wash.
  • Spotless and streak-free shine.
  • Safe for all dishwashers.
Main Highlights
  • Superior Cleaning Power: Our advanced formula is specifically designed to tackle even the toughest food residues, grease, and stubborn stains, ensuring your dishes come out pristine with every wash.
  • Spotless Shine: Enjoy spotless and streak-free results every time. Our detergent prevents unsightly water spots and film, leaving your glassware, cutlery, and dishes gleaming.
  • Safe for All Dishwashers: Our detergent is compatible with all brands and models of dishwashers, whether you have a compact countertop unit or a high-end, full-size dishwasher.
  • Commercial Use: Designed to be used in conjunction with commercial dishwasher with a dosing tube.
  • All-in-One Solution: Our dishwasher detergent is designed to handle not only dishes and cutlery but also pots, pans, and glassware, saving you time and effort.
8.9
Excellent
Amazon Logo

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Jantex CF977 Dishwasher Rinse Aid Concentrate 5Ltr
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We scanned 1044 products

We reviewed these offers relevant to the Hard Water Dishwasher Detergent within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Pro-Kleen, We Can Source It Ltd, Finish, McKLords, JANTEX, Ican PRODUCTS, Celtic Clean, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Hard Water Dishwasher Detergent in the market, we considered we took a deep dive into 5221 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that: