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10 bestLaundry Additive For Hard Waterof December 2025

112M consumers helped this year.

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Rockin Green- pre-soak handwash cold water unscented hypoallergenic sensitive skin- laundry deodorizer soap detergent- organic natural plant-based stain remover-16 oz, 30 Loads
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10% off

1

Resolve Oxi-Action, Ultimate Laundry Stain Remover, In-Wash Powder, Mega Value Pack, 3 kg
Resolve Oxi-Action, Ultimate Laundry Stain Remover, In-Wash Powder, Mega Value Pack, 3 kg

RESOLVE

9.9

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2

Yogti [Made in Canada] Citric Acid Powder, Food Grade, 100% Pure, Non-GMO (10 lb)
Yogti [Made in Canada] Citric Acid Powder, Food Grade, 100% Pure, Non-GMO (10 lb)

Yogti

9.8

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3

OxiClean Multi-Purpose Baby Stain Remover Spray Gentle Formula Fragrance-Free 651 mL
OxiClean Multi-Purpose Baby Stain Remover Spray Gentle Formula Fragrance-Free 651 mL

OxiClean

9.6

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23% off

4

OxiClean All-Purpose Stain Remover Powder for Household, Laundry, Carpet, and Upholstery - Colour Safe, Chlorine Bleach Free, 1.36 kg
OxiClean All-Purpose Stain Remover Powder for Household, Laundry, Carpet, and Upholstery - Colour Safe, Chlorine Bleach Free, 1.36 kg

OxiClean

9.4

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8% off

5

Arm & Hammer Super Washing Soda 55 oz.
Arm & Hammer Super Washing Soda 55 oz.

Arm & Hammer

9.2

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Related productsUp to 17% off

Rockin Green- pre-soak handwash cold water unscented hypoallergenic sensitive skin- laundry deodorizer soap detergent- organic natural plant-based stain remover-16 oz, 30 Loads

Rockin Green- pre-soak handwash cold water unscented hypoallergenic sensitive skin- laundry deodorizer soap detergent- organic natural plant-based stain remover-16 oz, 30 Loads

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Puracy Laundry Stain Remover Refill - Powerful Plant-Based Stain Treater for Removal of Fresh & Set-In Stains - Carpet Stain Remover, Baby Stain Remover, Stain Remover Laundry, 16oz Spray+48oz Refill

Puracy Laundry Stain Remover Refill - Powerful Plant-Based Stain Treater for Removal of Fresh & Set-In Stains - Carpet Stain Remover, Baby Stain Remover, Stain Remover Laundry, 16oz Spray+48oz Refill

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OxiClean Odour Blasters Versatile Laundry Stain Remover Powder, Sweat Stains, Pet Odor, Smelly Socks and More - Colour Safe, Chlorine Bleach Free, 1.28 kg

OxiClean Odour Blasters Versatile Laundry Stain Remover Powder, Sweat Stains, Pet Odor, Smelly Socks and More - Colour Safe, Chlorine Bleach Free, 1.28 kg

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OxiClean Free Versatile Stain Remover Powder, NO Perfumes or Dyes, 1.36-kg

OxiClean Free Versatile Stain Remover Powder, NO Perfumes or Dyes, 1.36-kg

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6

OxiClean White Revive Laundry Stain Remover Powder, 2.12-kg
OxiClean White Revive Laundry Stain Remover Powder, 2.12-kg

OxiClean

8.9

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7

Calgon Liquid Water Softener, 32 Oz (Pack of 2)
Calgon Liquid Water Softener, 32 Oz (Pack of 2)

Calgon

8.7

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8

SPORT WASH LAUNDRY DETERGENT
SPORT WASH LAUNDRY DETERGENT

Atsko

8.5

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9

Charlie's Soap - Laundry Booster and Hard Water Treatment (2-Pack)
Charlie's Soap - Laundry Booster and Hard Water Treatment (2-Pack)

Charlie's Soap

8.2

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11% off

10

Eco Living Solutions - 99.99% Boric Acid Powder | Horticultural Garden Application | Multipurpose Cleaner | Laundry Additive | Bathroom Cleaner | Commercial Strength | Lab Grade - 1 lb (16 Oz)
Eco Living Solutions - 99.99% Boric Acid Powder | Horticultural Garden Application | Multipurpose Cleaner | Laundry Additive | Bathroom Cleaner | Commercial Strength | Lab Grade - 1 lb (16 Oz)

ECO LIVING SOLUTIONS

7.9

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