Chlorine Test Drops
MaybeAn estimated 0.3% of orders come back. But the top 5 brands take 94% of clicks, so Chlorine Test Drops is a Maybe.
- Flapen Score
- 54 / 100Ranks 4,843 of 8,839 Patio, Lawn & Garden niches · −2 vs the category median of 5654
- Market size
- $68K/yr40K searches / yr
- 90-day growth
- +141.4%search demand this quarter
- Competition
- 67%top-5 click share · 8 brands · 59 sellers
Flapen Score
Chlorine Test Drops against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Chlorine Test Drops is stronger. Inside it, weaker.
Market
The Chlorine Test Drops market on Amazon at a glance
Shoppers on Amazon United States searched for Chlorine Test Drops 40K times last year and spent an estimated $68K. The top 5 brands take 94% of clicks. Flapen scores it 54 out of 100, a Maybe.
01 · Demand
An estimated 15.1% of those searches ended in a purchase.
Shoppers searched for this 40K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 15.1% of those searches ended in a purchase. Searches in the last 90 days moved +141.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $68K a year.
- Searches, last 12 months
- 40K
- Growth, 90 days vs prior 90
- +141.4%
- Conversion, latest week
- 15.1%
- Market size, estimated
- $68Ka year
- Top search term
- pool test kit refill6K searches a year
02 · Price
A sale here is worth $11.41.
Listings sell for $11.41 on average, from $4.15 to $24.94. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At $11.41 that is $3K to $6K a year per listing.
- Average price
- $11.41under the $15 to $100 sweet spot
- Price range
- $4.15–$24.94
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $3K–$6K
- Returns
- 0.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #40 within Cleaning Tools & Chemicals. It carries 1,291 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #40in Cleaning Tools & Chemicals
- Average rating
- 4.54 starsAmazon United States average 4.42 stars
- Average reviews
- 1,291per listing
- Listings tracked
- 16
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 76 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 76 months
Products
Top Chlorine Test Drops 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
Taylor R-0001-C DPD Reagent #1 2 Ounce for Testing Chlorine and Bromine Sanitizer Levels in Pool and Spas Dropper Refill for Water Test Kits Replace Annually | Made in The USA
- Price
- $11.41
- Rating
- 4.4/5
- Reviews
- 442
- Age
- 22y ago

WWD POOL Swimming Pool Spa Water Chemical Test Kit for Chlorine and Ph Test (Refill Only)
- Price
- $8.38
- Rating
- 4.4/5
- Reviews
- 2,283
- Age
- 7y ago

Taylor Reagent #1 .75 oz R-0001-A
- Price
- $8.14
- Rating
- 4.5/5
- Reviews
- 305
- Age
- 22y ago

Clorox Pool&Spa Swimming Pool 3-Way Water Test Kit Refill Solutions 0.5oz (Pack of 1)
- Price
- $4.15
- Rating
- 4.7/5
- Reviews
- 939
- Age
- 11y ago

Taylor Replacement Reagent Refill Kits Prevent Corrosion - Basic Refill Kit - 2 oz.
- Price
- $24.94
- Rating
- 4.6/5
- Reviews
- 943
- Age
- 16y ago
Trending
estimated 90-day click momentum
Taylor Technologies R-0004 pH Indicator Reagent 2 Ounce
- Price
- $9.09
- Rating
- 4.6/5
- Reviews
- 1,010
- Age
- 22y ago

U.S. Pool Supply 6 Bottle Refill Solution Pack for Premium 5-Way Swimming Pool & Spa Test Kit - Replacement Indicator Bottles Test Water for pH Chlorine Bromine Alkalinity Acid Demand - Chemicals
- Price
- $10.08
- Rating
- 4.3/5
- Reviews
- 2,078
- Age
- 5y ago

Clorox Pool&Spa Swimming Pool 3-Way Water Test Kit Refill Solutions 0.5oz (Pack of 1)
- Price
- $4.15
- Rating
- 4.7/5
- Reviews
- 939
- Age
- 11y ago

WWD POOL Swimming Pool Spa Water Chemical Test Kit for Chlorine and Ph Test (Refill Only)
- Price
- $8.38
- Rating
- 4.4/5
- Reviews
- 2,283
- Age
- 7y ago

Poolmaster 23227 Replacement Indicator Solutions #1 - #5 For Spa or Swimming Pool Water Testing Neutral Small
- Price
- $13.28
- Rating
- 4.7/5
- Reviews
- 1,503
- Age
- 14y ago
Newest
by launch date
Lupo 3-in-1 Pool Test Kit Replacement Reagents | Refill Reagents for Residential Swimming Pools & Spas | Total Chlorine Total Bromine & pH Testing | Lupo Global LP-RB-01-US
- Price
- $9.02
- Rating
- 4.5/5
- Reviews
- 179
- Age
- 3y ago

U.S. Pool Supply 6 Bottle Refill Solution Pack for Premium 5-Way Swimming Pool & Spa Test Kit - Replacement Indicator Bottles Test Water for pH Chlorine Bromine Alkalinity Acid Demand - Chemicals
- Price
- $10.08
- Rating
- 4.3/5
- Reviews
- 2,078
- Age
- 5y ago

WWD POOL Swimming Pool Spa Water Chemical Test Kit for Chlorine and Ph Test (Refill Only)
- Price
- $8.38
- Rating
- 4.4/5
- Reviews
- 2,283
- Age
- 7y ago

WWD POOL Swimming Pool Spa Water Chemical Test Kit for Chlorine and Ph Test (2 Way Test Kit)
- Price
- $12.91
- Rating
- 4.4/5
- Reviews
- 6,600
- Age
- 7y ago

Taylor R-0001 DPD Reagent #1 (2 oz) (2 Pack)
- Price
- $22.92
- Rating
- 4.9/5
- Reviews
- 9
- Age
- 7y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 67% of clicks. Leaders hold, but buyers still shop past them.
Brands
8 falling
Sellers
59
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
67%
Top 20: 100%
Open market
3%
- Taylor44%
- WWD POOL17%
- Poolmaster14%
- CLOROX Pool&Spa11%
- U.S. Pool Supply7%
- taylor3%
- Open — no brand owns it (2 brands, 3%)
Search terms
Top Chlorine Test Drops search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- pool test kit refill6K/yr
- chlorine test drops8K/yr
- pool test chemicals3K/yr
- pool testing chemicals4K/yr
- taylor r-00014K/yr
- pool test chemicals refill3K/yr
- orthotolidine4K/yr
- r-0001 taylor reagent2K/yr
- r-00012K/yr
- 00013K/yr
Reviews and returns
What reviews say buyers love and hate about Chlorine Test Drops
We read the reviews and the return reasons for every product selling here.
“now the colors are completely gone”
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.
15 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 Chlorine Test Drops 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









