Liquid Fire
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Great$20.28avg listing price — sweet spot $15–$100
Conversion
Great9.7%search→purchase rate — share of searches ending in a sale
Price range
Great$7.64–$55.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good928.85avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$308K$308K/yr · 156K searches
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-23.6%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
Is liquid fire profitable on Amazon?
According to Flapen's Amazon United States niche tracking, liquid fire is a $308K/yr Amazon United States market (156K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 49/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
liquid fire market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 20K–25K
- avg 1,500–2,000/product
- Revenue / yr
- $406K–$507K
- units × avg price
- Conversion rate
- 9.7%
- Avg BSR
- #116
- Page quality
- 0%
- Prime
- 85%
- Sponsored
- 54%
- Out of stock
- 0.0%
- Avg brand age
- 74 months
- Avg seller age
- 162 days
Competition: brands, sellers & click share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 flat
Sellers
72
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
0%
- Zep69%
- Amazing Products28%
- Extra Mile at Home3%
- Open — no brand owns it (0%)
liquid fire demand & seasonality
Weekly Amazon search volume, last 104 weeks — -23.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top liquid fire search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- zep drain cleaner26K/yr
- liquid fire30K/yr
- liquid heat12K/yr
- zep liquid heat9K/yr
- zep drain clog remover12K/yr
- zep sulfuric acid drain opener8K/yr
- liquid fire drain cleaner12K/yr
- zep drain5K/yr
- industrial drain cleaner6K/yr
- liquid heat drain opener6K/yr
Top liquid fire products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Liquid Fire Drain Line Opener 32 Oz
Amazing Products$17.594.4★3,260 rev
Zep Liquid Heat Clog Dissolver Gel - 128 Fl Oz (Case of 1) ZULHG128 - Professional Strength Formula Works in less than 10 Minutes
Zep$18.064.6★583 rev
Zep Drain Defense Pipe Build-Up Remover - 64 Ounces - ZLDC648 - Professional Strength Liquid Pipe Build Up Remover GREEN
Zep$13.064.0★3,720 rev
Zep Liquid Heat Max Clog Remover Gel - Destroys Hair Build-Up & Grease - 64 oz.
Zep$13.464.6★98 rev
Zep Advanced Tub and Shower Drain Opener Gel - 32 Ounce - U49210 - Formulated for Hair Soap and Conditioner
Zep$13.254.4★1,024 rev
Newest
by launch date
Extra Mile at Home Drain Clog Remover Bundle with Two 32 fl oz Drain Cleaner Bottles Cleaning Tools & Protective Gloves - 6 Items - Heavy-Duty Acid Formula for Tough Kitchen Sink & Shower Clogs
Extra Mile at Home$36.8149 rev
Zep Liquid Heat Max Clog Remover Gel - Destroys Hair Build-Up & Grease - 64 oz.
Zep$13.4698 rev
Zep Liquid Heat Max Clog Remover Gel - Destroys Hair Build-Up & Grease - 32 oz.
Zep$9.18147 rev
2 Set - Manufacturer Amazing Products Liquid Fire Drain Line Opener 32 Oz
Amazing Products$40.1081 rev
Zep Clog Attack Hair Buildup and Grease Remover Gel - 1 Gallon (Case of 4) ZUCA128 - Zeps Strongest General Drain Opener
Zep$55.99105 rev
Trending
90-day click momentumZep Advanced Tub and Shower Drain Opener Gel - 32 Ounce - U49210 - Formulated for Hair Soap and Conditioner
Zep$13.254.4★
Zep 10 Minute Drain Opener Gel 64 Ounce - ZHCR64NG - Commercial Strength Fast Acting and Safe for All Pipes
Zep$7.644.2★
Zep Liquid Heat Max Clog Remover Gel - Destroys Hair Build-Up & Grease - 64 oz.
Zep$13.464.6★
Zep Drain Defense Pipe Build-Up Remover - 64 Ounces - ZLDC648 - Professional Strength Liquid Pipe Build Up Remover GREEN
Zep$13.064.0★
Zep Advanced Bathroom Sink Drain Opener Gel - 32 Ounce - U49310 - Formulated for Toothpaste Shave Cream Hair Soap and Makeup
Zep$13.614.6★
What reviews say buyers love and hate about liquid fire
What buyers praise and complain about, mined from review topics.What buyers love
“ZEP is a great brand”
“Easy clean out”
“I also found that it works great in my A/C drain”
“Worked as advertised”
“good price”
“easy to use”
“No odors or mess”
“Instructions are easy to follow”
“Very effective”
“it did help my drain”
What buyers complain about
“Did not work”
“Had horrible clog”
“Not worth the moneyfor a”
“I had a slow drain that was driving me crazy”
“It also doesn't put out the strong smell of most drain cleaners”
“Not as good as described”
“The instructions are misleading as they do not mention this clearly”
“DO NOT TRUST PRODUCT DESCRIPTION”
“I founded the bottle leaking”
“I do not recommend this product for residential use”
Top return reasons
Common liquid fire questions
- Is liquid fire profitable to sell on Amazon United States?
- The niche generates $308K/yr across 13 tracked products. 90-day search growth is -23.6%. Flapen's verdict: Skip it (49/100).
- How competitive is the liquid fire niche?
- 3 brands and 72 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in liquid fire?
- Top complaints mined from reviews: Functionality-Overall, Jamming/Clogging, Value For Money. The return rate is 0.4%.
- When does demand for liquid fire peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the liquid fire niche?
- Listings span $7.64–$55.99; the average listing price is $20.28 (sweet spot $15–$100). The average incumbent carries 929 reviews — the moat a new listing must climb.