Sodium Thiosulfate
MaybeAn estimated 1.0% of orders come back. But the products selling today already average 4.7★, so Sodium Thiosulfate is a Maybe.
- Flapen Score
- 60 / 100Top 32% of 8,839 Patio, Lawn & Garden niches · +4 vs the category median of 5660
- Market size
- $175K/yr48K searches / yr
- 90-day growth
- +52.7%search demand this quarter
- Competition
- 60%top-5 click share · 11 brands · 26 sellers
Flapen Score
Sodium Thiosulfate against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Sodium Thiosulfate is stronger. Inside it, weaker.
Market
The Sodium Thiosulfate market on Amazon at a glance
Shoppers on Amazon United States searched for Sodium Thiosulfate 48K times last year and spent an estimated $175K. The top 5 brands take 71% of clicks. Demand peaks in May–Jun–Jul. Flapen scores it 60 out of 100, a Maybe.
01 · Demand
An estimated 9.6% of those searches ended in a purchase.
Shoppers searched for this 48K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.6% of those searches ended in a purchase. Searches in the last 90 days moved +52.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $175K a year.
- Searches, last 12 months
- 48K
- Growth, 90 days vs prior 90
- +52.7%
- Conversion, latest week
- 9.6%
- Market size, estimated
- $175Ka year
- Peak month
- June2.1× the quietest month
- Top search term
- sodium thiosulfate43K searches a year
02 · Price
A sale here is worth $37.97.
Listings sell for $37.97 on average, from $13.16 to $163.68. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $37.97 that is $4K to $9K a year per listing.
- Average price
- $37.97inside the $15 to $100 sweet spot
- Price range
- $13.16–$163.68
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $4K–$9K
- Returns
- 1.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
65% of listings pay for placement with sponsored ads. 65% ship with Prime. On an average day, 3.2% of listings are out of stock. The average listing ranks #226 within Cleaning Tools & Chemicals. It carries 139 reviews at 4.71 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 65%
- Prime listings
- 65%
- Out of stock, average day
- 3.2%
- Average rank
- #226in Cleaning Tools & Chemicals
- Average rating
- 4.71 starsAmazon United States average 4.42 stars
- Average reviews
- 139per listing
- Listings tracked
- 17
04 · Newcomers
1 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 74 months on average, so the names here are established.
- Launched, last 12 months
- 5
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 74 months
Products
Top Sodium Thiosulfate products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Sodium Thiosulfate Fine Crystals 99.5% min. 500 Grams (1.1 lb.)
- Price
- $18.92
- Rating
- 4.7/5
- Reviews
- 476
- Age
- 14y ago

AquaDoc Chlorine Neutralizer for Pool & Hot Tub - 1 lb - Sodium Thiosulfate Formula to Help Reduce Chlorine Levels - Spa and Pool Chemicals Made in USA
- Price
- $20.30
- Rating
- 4.6/5
- Reviews
- 195
- Age
- 1y ago

In The Swim Chlorine Neutralizer for Swimming Pools - Quickly Reduces Chlorine Sanitizer Levels - 90% Sodium Thiosulfate - 2.25 Pounds
- Price
- $20.69
- Rating
- 4.7/5
- Reviews
- 542
- Age
- 16y ago

BioGuard ChemOut Chlorine & Bromine Neutralizer 2 lb Single Pack
- Price
- $24.77
- Rating
- 4.6/5
- Reviews
- 306
- Age
- 14y ago

DIYChemicals Sodium Thiosulfate | Chlorine Neutralizer Solution Chlorine Remover for Pools Pond Aquarium Hot Tubs Hydroponic Ecosystems Plants - 40LB
- Price
- $159.40
- Rating
- 4.7/5
- Reviews
- 34
- Age
- 5y ago
Trending
estimated 90-day click momentum
AquaDoc Bromine Neutralizer for Pool & Hot Tub - 1 lb - Sodium Thiosulfate Formula to Reduce Bromine Levels - Spa and Pool Chemicals Made in USA
- Price
- $18.25
- Rating
- 4.6/5
- Reviews
- 195
- Age
- 2mo ago

Pool Chlorine Neutralizer - Fast-Acting Sodium Thiosulfate Formula - 1 Lbs - Quickly Reduces Chlorine & Bromine Levels for Pools & Hot Tubs (1 LB)
- Price
- $14.64
- Rating
- 4.7/5
- Reviews
- 6
- Age
- 3mo ago

Sodium Thiosulfate Chlorine Neutralizer Granules (1 LB) Chlorine Remover for Pools Ponds Aquariums Hot Tubs Hydroponic Ecosystems Plants
- Price
- $13.16
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 8mo ago

UniClean America Sodium Thiosulfate Powder (5 Lb Poly Bag) - Chlorine Neutralizing - Swimming Pool Water Treatment Powder
- Price
- $27.51
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 3y ago

Pacific Pelican Sodium Thiosulfate (Sodium Hyposulfite) (Na2S2O3*5H2O) - Chemical (0.5lb)
- Price
- $13.50
- Rating
- 4.6/5
- Reviews
- 4
- Age
- 2y ago
Newest
by launch date
AquaDoc Bromine Neutralizer for Pool & Hot Tub - 1 lb - Sodium Thiosulfate Formula to Reduce Bromine Levels - Spa and Pool Chemicals Made in USA
- Price
- $18.25
- Rating
- 4.6/5
- Reviews
- 195
- Age
- 2mo ago

Pool Chlorine Neutralizer - Fast-Acting Sodium Thiosulfate Formula - 1 Lbs - Quickly Reduces Chlorine & Bromine Levels for Pools & Hot Tubs (1 LB)
- Price
- $14.64
- Rating
- 4.7/5
- Reviews
- 6
- Age
- 3mo ago

Sodium Thiosulfate Pool and Hot Tub Bromine and Chlorine Neutralizer Chemical Level Reducer Formula (1 lb)
- Price
- $13.77
- Rating
- 4.8/5
- Reviews
- 9
- Age
- 7mo ago

Sodium Thiosulfate Pool and Hot Tub Bromine and Chlorine Neutralizer Chemical Level Reducer Formula (2 lb)
- Price
- $24.30
- Rating
- 4.8/5
- Reviews
- 9
- Age
- 7mo ago

Sodium Thiosulfate Chlorine Neutralizer Granules (1 LB) Chlorine Remover for Pools Ponds Aquariums Hot Tubs Hydroponic Ecosystems Plants
- Price
- $13.16
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 8mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 flat
Sellers
26
Est. top-5 brand share
71%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 100%
Open market
23%
- ChemCenter23%
- MAV AquaDoc18%
- In The Swim13%
- BioGuard9%
- HOLEVINT8%
- UniClean America6%
Demand
Sodium Thiosulfate search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Jul · busiest ÷ quietest = 2.1×
Search terms
Top Sodium Thiosulfate search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- sodium thiosulfate43K/yr
- sodium thiosulfate crystals3K/yr
- thiosulphate2K/yr
Reviews and returns
What reviews say buyers love and hate about Sodium Thiosulfate
We read the reviews and the return reasons for every product selling here.
“Poor listing”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Sodium Thiosulfate questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









