bio drain
Worth a lookShows searches that convert (17.5% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Conversion
Incredible17.5%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Incredible$28.99avg listing price — sweet spot $15–$100
Price range
Incredible$17.03–$49.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+97.0%90-day search growth — must beat 0% to launch
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Market size
Good$283K$283K/yr · 56K searches
Review moat
Bad4,282.64avg incumbent reviews — the moat a new listing must climb
Competition
Bad82%top-5 click share — a locked-up shelf
Brand share
Bad95%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, bio drain is a $283K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Jul–Aug–Sep–Oct. Verdict: Worth a look — 62/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
bio drain market data
- Units sold / yr
- 8K–10K
- avg 1,000–1,250/product
- Revenue / yr
- $232K–$290K
- units × avg price
- Conversion rate
- 17.5%
- Avg BSR
- #58
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 55%
- Out of stock
- 0.0%
- Avg brand age
- 79 months
- Avg seller age
- 160 days
Competition & brand share
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 rising
Sellers
27
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
82%
Top 20: 100%
Open market
3%
- Rockwell Labs66%
- Invade11%
- Eco Strong8%
- Bioda7%
- Green Gobbler4%
- Bio-Clean3%
- Open — no brand owns it (1 brand, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +97.0% search growth over the last 90 days.Peak months: Jul, Aug, Sep, Oct · busiest ÷ quietest = 4.0×
Top bio drain search terms
- bio drain24K/yr
- biodrain14K/yr
- bio drain cleaner9K/yr
- bio drain cleaner for fruit flies9K/yr
- bio drain cleaner for flies100/yr
Top bio drain products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Rockwell Labs IBDC032 Invade Bio Drain Gel-1 Qt
Rockwell Labs$17.544.3★2,542 rev
InVade Bio Drain 1 Gallon (Original Version)
Rockwell Labs$39.884.3★1,398 rev
Rockwell Labes -InVade Bio Drain Quart (32oz) ~ Restaurant Drain Gel Organic Treatment ~ Eliminates Odors Fruit Phorid and Drain Flies
Invade$20.434.3★163 rev
Fruit Fly Drain Treatment | Drain Fly Eliminator | All-Natural Eliminates Gnats Sewer Flies and More - Works in All Drains - 1 Gallon
Eco Strong$34.864.2★4,827 rev
Green Gobbler Fruit Fly Goodbye Gel Drain Treatment | Killer Flies & Eliminator (1 Gallon)
Green Gobbler$34.334.1★15,472 rev
Newest
by launch date
Bioda Multi-Purpose Probiotic Enzyme Cleaner and Deodorizer | Professional Strength | Trash Can Deodorizer Pet Stains and Odors Drains Floors Bathrooms Toilets | Made in USA | 1 Gallon
Bioda$25.842,869 rev
Fruit Fly Drain Treatment | Drain Fly Eliminator | All-Natural Eliminates Gnats Sewer Flies and More - Works in All Drains - 1 Gallon
Eco Strong$34.864,827 rev
Fruit Fly Drain Treatment | Drain Fly Eliminator | Eliminates Gnats Sewer Flies and More - Works in All Drains - 32 Fl Oz
Eco Strong$17.034,827 rev
MRS. MEYERS CLEAN DAY Probiotic Drain Maintenance Liquid Lemon Verbena Freshens Disposals and Drains 32 Fl Oz
Mrs. MEYER'S$17.241,720 rev
Bioda Professional Strength Enzyme Drain Cleaner Septic Safe Drain Odor Eliminator Smell Eliminator 1 Gallon
Bioda$26.771,806 rev
Trending
90-day click momentumFruit Fly Drain Treatment | Drain Fly Eliminator | Eliminates Gnats Sewer Flies and More - Works in All Drains - 32 Fl Oz
Eco Strong$17.034.2★
MRS. MEYERS CLEAN DAY Probiotic Drain Maintenance Liquid Lemon Verbena Freshens Disposals and Drains 32 Fl Oz
Mrs. MEYER'S$17.244.3★
Rockwell Labes -InVade Bio Drain Quart (32oz) ~ Restaurant Drain Gel Organic Treatment ~ Eliminates Odors Fruit Phorid and Drain Flies
Invade$20.434.3★
InVade Bio Drain 1 Gallon (Original Version)
Rockwell Labs$39.884.3★
Bioda Professional Strength Enzyme Drain Cleaner Septic Safe Drain Odor Eliminator Smell Eliminator 1 Gallon
Bioda$26.774.3★
What buyers say about bio drain
What buyers praise and complain about, mined from review topics.What buyers love
“Good smell”
“Works very well”
“cleans great”
“Great product, Im glad to have it on hand”
“Works as advertised”
“Good price”
“Easy to use”
“Got rid of the gnats better than expected”
“effective when used according to instructions”
“Environmentally safe”
What buyers complain about
“strange smells”
“Doesnt work as stated”
“Expensive JUNK”
“I'm still swatting a few bugs”
“are tired of cleaners that pretend to help”
“The bottle arrived leaking”
“I found the instruction quite inadequate on the product label”
“Acts like plumbing clog gel”
“Didnt work as advertised”
“or if it was just poor quality control”
Top return reasons
Common questions
- Is bio drain profitable to sell on Amazon United States?
- The niche generates $283K/yr across 11 tracked products. 90-day search growth is +97.0%. Flapen's verdict: Worth a look (62/100).
- How competitive is the bio drain niche?
- 7 brands and 27 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in bio drain?
- Top complaints mined from reviews: Smell, Functionality-Overall, Value For Money. The return rate is 0.6%.
- When does demand for bio drain peak?
- Demand peaks in Jul–Aug–Sep–Oct; the busiest month runs 4.0× the quietest.
- What does it cost to enter the bio drain niche?
- Listings span $17.03–$49.75; the average listing price is $28.99 (sweet spot $15–$100). The average incumbent carries 4,283 reviews — the moat a new listing must climb.