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Rodi

Fail

The top 5 brands take 100% of clicks, so Rodi is a Fail.

Flapen Score
26
26 / 100
Ranks 3,919 of 3,978 Pet Supplies niches · −25 vs the category median of 51
Market size
$59K/yr33K searches / yr
90-day growth
-34.5%search demand this quarter
Competition
83%top-5 click share · 5 brands · 11 sellers

Flapen Score

Rodi against its category

The dotted line is the Pet Supplies average. Past it, Rodi is stronger. Inside it, weaker.

26Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Rodi market on Amazon at a glance

Shoppers on Amazon United States searched for Rodi 33K times last year and spent an estimated $59K. All 5 brands take every click. Demand peaks in Jan–Feb–Sep–Dec. Flapen scores it 26 out of 100, a Fail.

01 · Demand

An estimated 1.4% of those searches ended in a purchase.

Shoppers searched for this 33K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.4% of those searches ended in a purchase. Searches in the last 90 days moved -34.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $59K a year.

Searches, last 12 months
33K
Growth, 90 days vs prior 90
-34.5%
Conversion, latest week
1.4%
Market size, estimated
$59Ka year
Peak month
January3.5× the quietest month
Top search term
rodi filter18K searches a year

02 · Price

A sale here is worth $126.45.

Listings sell for $126.45 on average, from $46.91 to $219.86. Amazon reports units sold in ranges. This niche sold 750 to 1K a year. The average listing sells 100 to 250 of them. At $126.45 that is $13K to $32K a year per listing.

Average price
$126.45above the $15 to $100 sweet spot
Price range
$46.91–$219.86
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
750–1K
Units per listing a year
100–250
Revenue per listing a year
$13K–$32K
Returns
4.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads.

100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 6.6% of listings are out of stock. The average listing ranks #405 within Fish & Aquatic Pets. It carries 760 reviews at 4.32 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
6.6%
Average rank
#405in Fish & Aquatic Pets
Average rating
4.32 starsAmazon United States average 4.42 stars
Average reviews
760per listing
Listings tracked
11

04 · Newcomers

1 of last year's 1 launches cleared the first-year sales bar.

1 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 77 months on average, so the names here are established.

Launched, last 12 months
1
Successful launches
1Amazon's first-year sales bar
Average brand age
77 months

Products

Top Rodi products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 83% of clicks. A locked shelf that new listings rarely crack.

Brands

5 falling

Sellers

11

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

0%

  • Brand 169%
  • Brand 210%
  • Brand 39%
  • Brand 48%
  • Brand 54%
  • Open — no brand owns it (0%)

Demand

Rodi search demand

Weekly searches over the year, seasonality beneath. Pick a range.

3K2KHoliday '24Spike '25Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Sep, Dec · busiest ÷ quietest = 3.5×

Search terms

Top Rodi search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • rodi filter18K/yr
  • ro di system for aquarium7K/yr
  • ro/di water filter system for aquarium6K/yr
  • rodi system for saltwater aquarium2K/yr

Reviews and returns

What reviews say buyers love and hate about Rodi

We read the reviews and the return reasons for every product selling here.

16%of positive reviews mention “Value For Money”
19%of negative reviews mention “Leak-Proof”
4.1%of orders come back
“Leaks like crazy”
A buyer, on “Leak-Proof”19% of negative reviews mention the same topic

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

NegativePositive

FAQ

Common Rodi questions

Answered from the same tracked data.