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10 bestLaundry Additive For Hard Waterof December 2025

112M consumers helped this year.

30% off

1

Calgon 4-in-1 Washing Machine Cleaner and Water Softener Tablets, 75 Count , Removes Limescale, Residue, Dirt, Rust & Malodours , Deep Clean , XL Pack Size
Calgon 4-in-1 Washing Machine Cleaner and Water Softener Tablets, 75 Count , Removes Limescale, Residue, Dirt, Rust & Malodours , Deep Clean , XL Pack Size

Calgon

9.7

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2

Duzzit - Amazing Baking Soda Multi Purpose Household Cleaner - 500g (6 Pack)
Duzzit - Amazing Baking Soda Multi Purpose Household Cleaner - 500g (6 Pack)

Duzzit

9.4

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7% off

3

Calgon 4-in-1 Washing Machine Cleaner and Water Softener Gel 750 ml, Pack of 2, Removes Limescale, Residue, Dirt, Rust & Malodours , Deep Clean
Calgon 4-in-1 Washing Machine Cleaner and Water Softener Gel 750 ml, Pack of 2, Removes Limescale, Residue, Dirt, Rust & Malodours , Deep Clean

Calgon

9.1

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4

Keraiz dishwasher salt 10kg | Powerful salt for dishwasher | Best for laundry, limescale removing and water softener salt dishwasher (2)
Keraiz dishwasher salt 10kg | Powerful salt for dishwasher | Best for laundry, limescale removing and water softener salt dishwasher (2)

Keraiz

8.9

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5

Ecozone Ultra Concentrated Laundry Liquid, Non Bio Detergent, Washing Machine Clothing Stain Removal & Cleaning Solution, Natural Vegan & Non Toxic, Eco Friendly, Gentle on Skin, 166 washes (5L)
Ecozone Ultra Concentrated Laundry Liquid, Non Bio Detergent, Washing Machine Clothing Stain Removal & Cleaning Solution, Natural Vegan & Non Toxic, Eco Friendly, Gentle on Skin, 166 washes (5L)

Ecozone

8.6

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Ecozone Laundry Water Softener Tablets, De-scaler Prevents Limescale & Makes Cleaning Detergent More Effective, Protects & Maintains Washing Machine Appliance, with Salt, Vegan-Friendly (32 Tablets)

Ecozone Laundry Water Softener Tablets, De-scaler Prevents Limescale & Makes Cleaning Detergent More Effective, Protects & Maintains Washing Machine Appliance, with Salt, Vegan-Friendly (32 Tablets)

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C&G Pets Breath Freshener Water Additive 500ml | 100% Natural | Anti Plaque Anti Tartar | Removes Bad Smell | Fresh Smelling Mouth Wash | Best For Dog

C&G Pets Breath Freshener Water Additive 500ml | 100% Natural | Anti Plaque Anti Tartar | Removes Bad Smell | Fresh Smelling Mouth Wash | Best For Dog

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Simple Kind to Skin Refreshing Shower Gel pack of 6 UK's #1 facial skin care brand* body wash for all skin types 500 ml

Simple Kind to Skin Refreshing Shower Gel pack of 6 UK's #1 facial skin care brand* body wash for all skin types 500 ml

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Calgon Tablets 3-In-1 Water Softener, 45 Tablets

Calgon Tablets 3-In-1 Water Softener, 45 Tablets

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6

Sano Blue Water Toilet Bowl Cleaner Long Lasting Air Freshener WC Tablet Pack of 4
Sano Blue Water Toilet Bowl Cleaner Long Lasting Air Freshener WC Tablet Pack of 4

Sano

8.3

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7

Allergen Wash Laundry Detergent
Allergen Wash Laundry Detergent

Allersearch

8.0

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23% off

8

Ecozone Soap Nuts Natural Laundry Detergent, 100% Organic Biodegradable Washing Machine Pellets, Plastic Free, Effective Cleaning for Clothing & Fabrics, Hypoallergenic Vegan & Eco Friendly (1kg Bag)
Ecozone Soap Nuts Natural Laundry Detergent, 100% Organic Biodegradable Washing Machine Pellets, Plastic Free, Effective Cleaning for Clothing & Fabrics, Hypoallergenic Vegan & Eco Friendly (1kg Bag)

Ecozone

7.7

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9

Ecoleaf Liquid Laundry Detergent 5 Litre
Ecoleaf Liquid Laundry Detergent 5 Litre

Ecoleaf

7.4

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10

Block salt for water softeners, original pure food quality salt, softening salt block best for laundry kitchen dishwashing industrial & hotel use water softener salt block (3)
Block salt for water softeners, original pure food quality salt, softening salt block best for laundry kitchen dishwashing industrial & hotel use water softener salt block (3)

HSD Himalayan Salt Direct

7.1

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