potassium hydroxide
Worth a lookShows low returns (0.1%), but soft demand (-5.2% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Incredible$28.04avg listing price — sweet spot $15–$100
Price range
Great$13.98–$111.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good529.52avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.8%search→purchase rate — share of searches ending in a sale
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Brand share
Good74%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$173K$173K/yr · 130K searches
Growth
Bad-5.2%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, potassium hydroxide is a $173K/yr Amazon United States market (130K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Jul. Verdict: Worth a look — 54/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
potassium hydroxide market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $140K–$168K
- units × avg price
- Conversion rate
- 4.8%
- Avg BSR
- #196
- Page quality
- 0%
- Prime
- 38%
- Sponsored
- 48%
- Out of stock
- 2.8%
- Avg brand age
- 62 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
14 rising
Sellers
23
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
53%
Top 20: 99%
Open market
18%
- Essential Depot20%
- ALDON17%
- iDrain14%
- Pacific Pelican14%
- Alliance Chemical9%
- Chemboys8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -5.2% search growth over the last 90 days.Peak months: Jul · busiest ÷ quietest = 1.5×
Top potassium hydroxide search terms
- potassium hydroxide69K/yr
- potassium hydroxide for soap making25K/yr
- koh24K/yr
- hidrxido de potasio4K/yr
- potassium hydroxide flakes5K/yr
- potassium hydroxide powder4K/yr
Top potassium hydroxide 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 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
iDrain Potassium Hydroxide (KOH) Flakes 90% Pure Caustic Potash Industrial Grade Lye for Soap Making Biodiesel Drain Cleaning & Grease Traps Resealable Container 1 lb / 16oz.
iDrain$18.924.8★18 rev
Pacific Pelican Potassium Hydroxide (Caustic Potash) (KOH) - Chemical
Pacific Pelican$18.544.8★58 rev
ALDON Innovating Science Reagent-Grade Potassium Hydroxide Pellet 100g - The Curated Chemical Collection
ALDON$19.034.4★64 rev
Potassium Hydroxide Flakes - KOH - 90% Purity - 2 lb. Canister - Caustic Potash - Caustic Soda Alternative
Alliance Chemical$35.124.4★42 rev
Essential Depot Potassium Hydroxide Flakes KOH 9 lbs (9 x 1 lb Container) Caustic Potash Anhydrous KOH Dry Electrolyte - HDPE Container with Resealable Child Resistant Cap
Essential Depot$50.754.7★106 rev
Newest
by launch dateiDrain Potassium Hydroxide (KOH) Flakes 90% Pure Caustic Potash Industrial Grade Lye for Soap Making Biodiesel Drain Cleaning & Grease Traps Resealable Container 1 lb / 16oz.
iDrain$18.9218 rev
Innovating Science - Potassium Hydroxide (KOH) Concentrated EZ-PREP - Versatile Base for Scientific Industrial and Research Applications
ALDON$14.919 rev
Best Naturals Potassium BHB Powder 1 Lb
Best Naturals$14.7375 rev
DIYChemicals Potassium Hydroxide (KOH) Flakes - Potash for Soap Making Industrial Use and Cleaning - USA-Made (2 LBS)
Chemboys$28.2512 rev
Yield Titan Potassium Hydroxide (Caustic Potash) (KOH) - Chemical
Yield Titan$17.5827 rev
Trending
90-day click momentumiDrain Potassium Hydroxide (KOH) Flakes 90% Pure Caustic Potash Industrial Grade Lye for Soap Making Biodiesel Drain Cleaning & Grease Traps Resealable Container 1 lb / 16oz.
iDrain$18.924.8★
KOH KOH Womens Short Sleeve Sexy Formal Cocktail Casual Cute Long Pants One Piece Fall Pockets Dressy Jumpsuit Romper Long Leg Pant Suit Suits Outfit Playsuit Emerald Green M 12-14
KOH KOH$35.353.8★
Essential Depot Potassium Hydroxide Flakes KOH 4 lbs (4 x 1lb Container) Caustic Potash Anhydrous KOH Dry Electrolyte - HDPE Container with Resealable Child Resistant Cap
Essential Depot$37.085.0★
Sodium Hydroxide Solution 0.1M 1L - The Curated Chemical Collection
ALDON$19.824.0★
Best Naturals Potassium BHB Powder 1 Lb
Best Naturals$14.734.2★
What buyers say about potassium hydroxide
What buyers praise and complain about, mined from review topics.What buyers love
“Consistent product”
“Good deal”
“Easy to use”
“the improvement was immediate”
“works as it should”
“High purity, good container”
“Perfect, no leaks”
“I also appreciate that this product has multiple uses beyond drain cleaning, such as soap making and other industrial applications, so it's versatile if you have other projects in mind”
“according to directions”
“Fits my needs”
What buyers complain about
“Not enough for price”
“misleading”
“the bottom of the container arrived slightly bulged”
“Waste”
“Anyone with problems cannot breathe this product in”
“took long to trace”
“Poor cleaning performance”
“Impure seeming”
“generated a fear of blacking out”
“it was a dangerous blood pressure drop”
Top return reasons
Common questions
- Is potassium hydroxide profitable to sell on Amazon United States?
- The niche generates $173K/yr across 21 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.2%. Flapen's verdict: Worth a look (54/100).
- How competitive is the potassium hydroxide niche?
- 14 brands and 23 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in potassium hydroxide?
- Top complaints mined from reviews: Value For Money, Advertised Vs Actual Product, Durability. The return rate is 0.1%.
- When does demand for potassium hydroxide peak?
- Demand peaks in Jul; the busiest month runs 1.5× the quietest.
- What does it cost to enter the potassium hydroxide niche?
- Listings span $13.98–$111.69; the average listing price is $28.04 (sweet spot $15–$100). The average incumbent carries 530 reviews — the moat a new listing must climb.