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Charlie’s Soap Booster & Hard Water Treatment is a natural, phosphate-based laundry additive designed to soften hard water and enhance detergent performance. Each 2-pack provides 160 loads per bag, making it an economical choice at just $0.17 per load. This biodegradable formula effectively removes mineral buildup, odors, and stains without leaving residues, while being safe for septic systems and sensitive skin. Ideal for professionals seeking eco-conscious, high-performance laundry care that delivers consistently fresh, soft results.





| ASIN | B0767PG9HL |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | #97,976 in Health & Household ( See Top 100 in Health & Household ) #96 in Powder Laundry Detergent |
| Brand | Charlie's Soap |
| Brand Name | Charlie's Soap |
| Customer Reviews | 4.8 out of 5 stars 254 Reviews |
| Formulation Type | Concentrated |
| Item Dimensions | 5.75 x 3.75 x 6.1 inches |
| Item Form | Powder |
| Item Weight | 2.78 Pounds |
| Manufacturer | Sutherland Products, Inc. |
| Material Feature | Natural |
| Material Features | Natural |
| Material Type Free | Phosphate |
| Number of Items | 2 |
| Skin Type | Sensitive |
| Specific Uses For Product | Biodegradable, Natural, Septic Safe |
| UPC | 757072517010 757072517027 |
| Unit Count | 84.8 Ounce |
M**X
Great product!
This product takes hard water and turns it into soft! Clothes comes out cleaner, smelling better and soft after drying. The washer smell good after multiple washes too!
I**E
A little pricey, but solves my hard water issue.
Good product. My laundry is no longer “crunchy” as my kids call it. Can’t use standard fabric softeners, because my family’s skin breaks out in a rash. This product doesn’t bother our skin at all.
S**L
Exactly what I wanted
This product gives my laundry soap a bost while giving me softer clothes. I have not compared the cost to any other water softening product so cannot rate that aspect, but is a heckuvalot cheaper than buying a water softener system for the house.
M**Y
Makes my clothes clean
This water softener really works. There is HARD water where I live and I do see a marked change in the clothes I wash. When I don’t have it, the clothes are not as clean no matter how much detergent(Tide) I use. I love it and won’t wash my clothes without it.
N**A
Great as a whitening agent, but may fade laundry
I thought that it improved my laundry softness after a couple washes, but they were a little faded. My baby and toddler clothes ended up looking faded and some prints were cracked, even when using cold wash. So it works better on light clothes and color fasted laundry like my cloth diapers. There's really no scent since it's meant for sensitive skin, which I like.
J**N
Great water softener
This combats the hard water in my laundry. Clothes are cleaner and hold their shape. Great laundry detergent booster.
P**N
All Charlie's Soap products are GREAT.
Have used Charlie's Soap and Charlie's Booster, etc., to do laundry for many years now and still love their products. Would never go back to grocery store brands. LOVE Charlie's. And whenever I called them with any questions, a real LIVE person answered and helped me. I have recommended Charlie's to friends who are now loyal customers like I am. Can't say enough good things about the company and their products.
K**N
Love it
I love that the scent is light and it cleans great. I will continue to use it. I have a old school top loading washer and I add one scoop to the soap and everything comes out great.
Trustpilot
2 weeks ago
3 weeks ago