Malibu Hard Water Treatment Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Malibu Hard Water Treatment sales on Amazon US totaled 206,100 units in July 2026 (▼ 4.9% vs. the prior month), generating an estimated $4,690,736 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 67.9% of unit volume and 63.1% of revenue, while a typical listing is priced at $25.70. The keyword itself pulled 29,765 Amazon queries over the same period (▼ 7.7% MoM).
Zooming out to the 12-month window ending July 2026, the malibu hard water treatment Top 50 moved 1,664,650 units and $40,769,209 in cumulative sales — an average of 138,721 units and $3,397,434 per month. Monthly throughput topped out at 216,800 units in June 2026 and dipped to 81,500 in May 2026, leaving the latest reading 62.7% higher than August 2025.
Malibu Hard Water Treatment Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
206.1K
▼ 4.9% MoM
Monthly Revenue 2026/07
$4.7M
▼ 7.0% MoM
Top 10 Market Share 2026/07
67.9%
Malibu Hard Water Treatment Market Share & Sales Concentration on Amazon US — July 2026
The most-sold malibu hard water treatment listing on Amazon US in July 2026 is ASIN B09HR5KSR8 (Brand: K18), which sold 50,000 units at $29.00 apiece — equal to 24.3% of every unit tracked in this report and 2.5× the volume of the No. 2 listing.
The Top 10 ASINs account for 140,000 units and $2,960,840 in July 2026 — 67.9% of unit volume and 63.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Malibu Hard Water Treatment' on Amazon
July 2026
Is 67.9% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B09HR5KSR8
K18 Leave-In Molecular Repair Hair Mask
50K
▲ 25.0%vs. prior month
$1.4M
latest month
12-month trend
B000052Y0S
Ultra Swim Chlorine Removal & Hard Water Treatment Moisturizing Shampoo, 7 Ounce
20K
▲ 0.0%vs. prior month
$125.8K
latest month
12-month trend
B0019HYC6G
Malibu C Hard Water Wellness Hair Remedy - Removes Hard Water Deposits & Impurities + Restores Volume and Radiant Shine with Vitamin C Complex (1 Packet)
10K
▲ 0.0%vs. prior month
$38.7K
latest month
12-month trend
B08P67N41H
Redken Acidic Bonding Concentrate Leave In Conditioner - Hair Repair Treatment For Weak & Damaged Hair, Bond Building & Strengthening, Smooths & Provides Heat Protection
10K
▼ 50.0%vs. prior month
$360K
latest month
12-month trend
B0CGS2D8J8
Dr. Groot Miracle in Shower Moisturizing Treatment for Hair Loss, Korean Hair Care Rinse, Rosemary Oil for Smooth, Healthier-Looking Hair in 5 Seconds, Scalp Revitalizing Solution
10K
▲ 0.0%vs. prior month
$330K
latest month
12-month trend
B0G26HTDHK
Kitsch Moisturizing Coconut Oil Hair Mask for Damaged Hair – 10 oz | Deep Conditioner for Women – Curly Hair Products Friendly – Frizz-Reducing Hair Care for Curly, Coily & All Hair Types
10K
▲ 42.9%vs. prior month
$143.3K
latest month
12-month trend
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Best Malibu Hard Water Treatment Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
K18 is the best-performing malibu hard water treatment brand in July 2026, moving 50,000 units across 1 ASIN for 35.7% of Top 10 volume. Malibu C follows with 40,000 units (28.6%), ahead of UltraSwim on 20,000 units (14.3%).
With 6 brands splitting the Top 10 and 78.6% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $6.29 to $29.00, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
K18
1 ASIN in Top 10
35.7%
Units
50K
Revenue
$1.4M
Avg. price
$29.00
B09HR5KSR8
$29.00·★4.2·21.7K revsK18 Leave-In Molecular Repair Hair Mask
Units sold50K
Malibu C
5 ASINs in Top 10
28.6%
Units
40K
Revenue
$551.7K
Avg. price
$14.62
B0019HYC6G
$3.89·★4.5·14.5K revsMalibu C Hard Water Wellness Hair Remedy - Removes Hard Water Deposits & Impurities + Restores Volume and Radiant Shine with Vitamin C Complex (1 Packet)
Units sold10KB0741C9WP2
$17.99·★4.4·2.5K revsMalibu C Swimmers Wellness Clarifying Shampoo for Chlorine & Hair Build Up - Adults & Kids Swim Shampoo to Help Protect Against Pool Element Damage, Retain Moisture, Restore Shine & Texture (9 oz)
Units sold10KB07LB4QNDF
$15.25·★4.6·3K revsMalibu C Swimmers Wellness Remedy & After Pool Hair Care - Restoring & Hydrating Swim Treatment with Vitamin C Complex - Protects Against Discoloration from Chlorine, Salt Water & Build Up (3 Packets)
Units sold9KB01N23J5C1
$17.98·★4.4·6.7K revsMalibu C Hard Water Wellness Shampoo - Hydrating, Sulfate-Free Hair Care for Hard Water - Removes Minerals and Buildup (9 oz) | Hydrating, Sulfate-Free Detox Shampoo for Hard Water, Gently Removes Minerals & Buildup, Vegan & Cruelty-Free Hair Care
Units sold6KB0741BYML6
$17.98·★4.5·7K revsMalibu C Un-Do-Goo Clarifying Shampoo - Removes Product Build Up and Resins from Hair - Shine Restoring, Sulfate-Free Cleanser (9 oz)
Units sold5K
UltraSwim
1 ASIN in Top 10
14.3%
Units
20K
Revenue
$125.8K
Avg. price
$6.29
B000052Y0S
$6.29·★4.5·7K revsUltra Swim Chlorine Removal & Hard Water Treatment Moisturizing Shampoo, 7 Ounce
Units sold20K
Trending Malibu Hard Water Treatment Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 3 ASINs forced its way in: B0741C9WP2 booked 10K units at $17.99, with ▲ 66.7% MoM change.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0741C9WP2
Malibu C Swimmers Wellness Clarifying Shampoo for Chlorine & Hair Build Up - Adults & Kids Swim Shampoo to Help Protect Against Pool Element Damage, Retain Moisture, Restore Shine & Texture (9 oz)
Price
$17.99
Rating
4.4
Reviews
2.5K
Latest month sales
B07LB4QNDF
Malibu C Swimmers Wellness Remedy & After Pool Hair Care - Restoring & Hydrating Swim Treatment with Vitamin C Complex - Protects Against Discoloration from Chlorine, Salt Water & Build Up (3 Packets)
Price
$15.25
Rating
4.6
Reviews
3K
Latest month sales
B0741BYML6
Malibu C Un-Do-Goo Clarifying Shampoo - Removes Product Build Up and Resins from Hair - Shine Restoring, Sulfate-Free Cleanser (9 oz)
Unlock to view ASIN details and product titles
Price
$17.98
Rating
4.5
Reviews
7K
Latest month sales
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