Behringer P2
FailPrices span $5.92–$16.00, mostly outside the sweet spot, so Behringer P2 is a Fail.
- Flapen Score
- 43 / 100Ranks 3,065 of 3,978 Pet Supplies niches · −8 vs the category median of 5143
- Market size
- $48K/yr34K searches / yr
- 90-day growth
- -15.6%search demand this quarter
- Competition
- 67%top-5 click share · 10 brands · 13 sellers
Flapen Score
Behringer P2 against its category
The dotted line is the Pet Supplies average. Past it, Behringer P2 is stronger. Inside it, weaker.
Market
The Behringer P2 market on Amazon at a glance
Shoppers on Amazon United States searched for Behringer P2 34K times last year and spent an estimated $48K. The top 5 brands take 83% of clicks. Demand peaks in Jan–Feb–Oct–Nov. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 12.6% of those searches ended in a purchase.
Shoppers searched for this 34K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.6% of those searches ended in a purchase. Searches in the last 90 days moved -15.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $48K a year.
- Searches, last 12 months
- 34K
- Growth, 90 days vs prior 90
- -15.6%
- Conversion, latest week
- 12.6%
- Market size, estimated
- $48Ka year
- Peak month
- November3.2× the quietest month
- Top search term
- co2 drop checker21K searches a year
02 · Price
A sale here is worth $11.00.
Listings sell for $11.00 on average, from $5.92 to $16.00. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At $11.00 that is $1K to $3K a year per listing.
- Average price
- $11.00under the $15 to $100 sweet spot
- Price range
- $5.92–$16.00
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $1K–$3K
- Returns
- 1.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
73% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 6.9% of listings are out of stock. The average listing ranks #94 within Fish & Aquatic Pets. It carries 433 reviews at 4.41 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 73%
- Prime listings
- 100%
- Out of stock, average day
- 6.9%
- Average rank
- #94in Fish & Aquatic Pets
- Average rating
- 4.41 starsAmazon United States average 4.42 stars
- Average reviews
- 433per listing
- Listings tracked
- 15
04 · Newcomers
0 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 59 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 59 months
Products
Top Behringer P2 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 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
FZONE Aquatic CO2 Glass Drop Checker PH Momitor for Aquarium Plant Fish Tank Test CO2 Kit
- Price
- $12.81
- Rating
- 4.6/5
- Reviews
- 773
- Age
- 6y ago

Pawfly Glass CO2 Drop Checker for Aquarium CO2 Indicator for Planted Fish Tank CO2 Monitor Kit with Solution & Suction Cups CO2 Detector Aquarium CO2 Tester Fish Tank Carbon Dioxide Checker
- Price
- $10.09
- Rating
- 4.4/5
- Reviews
- 221
- Age
- 1y ago

NilocG Aquatics Glass CO2 Drop Checker CO2 Monitor Kit for Aquarium Tank Functional and Reliable Transparent Drop Checker 4dkh/pH Reagent Solution and Suction Cup
- Price
- $16.00
- Rating
- 4.5/5
- Reviews
- 2,002
- Age
- 9y ago

FZONE Aquatic CO2 Glass Drop Checker PH Monitor for Aquarium Plant Fish Tank
- Price
- $12.41
- Rating
- 4.6/5
- Reviews
- 773
- Age
- 2y ago

Novique CO2 Glass Drop Checker Aquatic CO2 Test Monitor Kit for Fish Tank Planted Aquarium with Solution & Suction Cups
- Price
- $8.25
- Rating
- 4.4/5
- Reviews
- 34
- Age
- 5mo ago
Trending
estimated 90-day click momentum
Novique CO2 Glass Drop Checker Aquatic CO2 Test Monitor Kit for Fish Tank Planted Aquarium with Solution & Suction Cups
- Price
- $8.25
- Rating
- 4.4/5
- Reviews
- 34
- Age
- 5mo ago

Clscea Aquarium CO2 Drop Checker CO2 Indicator (Glass Checker+15ml)
- Price
- $11.61
- Rating
- 4.4/5
- Reviews
- 633
- Age
- 4y ago

Glass Nano CO2 Drop Checker with Solution for Planted Aquarium System - CO2 Concentration Monitor Set (Nano Drop Checker with Solution)
- Price
- $13.04
- Rating
- 4.5/5
- Reviews
- 201
- Age
- 4y ago

LINLAN Glass CO Drop Checker Kit - Accurate Aquarium Monitor Includes CO2 Monitoring Fluid White Background Card and Clear Silicone Suction Cup for Planted Aquarium
- Price
- $12.98
- Rating
- 4.9/5
- Reviews
- 26
- Age
- 11mo ago

FZONE Aquatic CO2 Glass Drop Checker PH Monitor for Aquarium Plant Fish Tank
- Price
- $12.41
- Rating
- 4.6/5
- Reviews
- 773
- Age
- 2y ago
Newest
by launch date
Novique CO2 Glass Drop Checker Aquatic CO2 Test Monitor Kit for Fish Tank Planted Aquarium with Solution & Suction Cups
- Price
- $8.25
- Rating
- 4.4/5
- Reviews
- 34
- Age
- 5mo ago

LINLAN Glass CO Drop Checker Kit - Accurate Aquarium Monitor Includes CO2 Monitoring Fluid White Background Card and Clear Silicone Suction Cup for Planted Aquarium
- Price
- $12.98
- Rating
- 4.9/5
- Reviews
- 26
- Age
- 11mo ago

Pawfly Glass CO2 Drop Checker for Aquarium CO2 Indicator for Planted Fish Tank CO2 Monitor Kit with Solution & Suction Cups CO2 Detector Aquarium CO2 Tester Fish Tank Carbon Dioxide Checker
- Price
- $10.09
- Rating
- 4.4/5
- Reviews
- 221
- Age
- 1y ago

FZONE Aquatic CO2 Glass Drop Checker PH Monitor for Aquarium Plant Fish Tank
- Price
- $12.41
- Rating
- 4.6/5
- Reviews
- 773
- Age
- 2y ago

JAGTRADE Glass Drop-Checker CO2 Indicator for Planted Aquariums Easy to Hang Use with PH Reagent Solution Compact Size 6cm
- Price
- $5.92
- Rating
- 4.0/5
- Reviews
- 16
- Age
- 2y 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
10 falling
Sellers
13
Est. top-5 brand share
83%
Top 20: 100%
Est. top-5 click share
67%
Top 20: 100%
Open market
10%
- FZONE30%
- Pawfly20%
- JARDLI15%
- NilocG Aquatics9%
- Novique8%
- Clscea8%
- Open — no brand owns it (4 brands, 10%)
Demand
Behringer P2 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Oct, Nov · busiest ÷ quietest = 3.2×
Search terms
Top Behringer P2 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- co2 drop checker21K/yr
- co2 drop checker for aquarium5K/yr
- co2 checker5K/yr
- drop checker4K/yr
Reviews and returns
What reviews say buyers love and hate about Behringer P2
We read the reviews and the return reasons for every product selling here.
“no apparent coloration”
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 Behringer P2 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









