---
title: "Potassium Hydroxide — $173K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/potassium-hydroxide"
last_updated: "2026-08-09T21:33:26.677Z"
locale: en
meta:
description: "Niche score 54/100 · $173K/yr market · 130K searches/yr · $28.04 avg price. Soft demand (-5.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $173K/yr market · 130K searches/yr · $28.04 avg price. Soft demand (-5.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Potassium Hydroxide — $173K/yr Amazon US Niche (2026) - Flapen"
---
# **potassium hydroxide**
**Worth a look**
Shows low returns (0.1%), but soft demand (-5.2% this quarter) keeps it on the watch list.
Market size 35Growth 22Conversion 56Competition 53Returns 99Price range 85Avg price 95Brand share 52Review moat 74Quality gap 43
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$28.04**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.98–$111.69**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****529.52**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****4.8%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
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
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
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 ~~](https://flapen.com/research/methodology)
## **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.
4K3KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/potassium-hydroxide/trend)
## **Top potassium hydroxide search terms**
- **potassium hydroxide**69K/yr+8.6%3.5% conv. - **potassium hydroxide for soap making**25K/yr-10.5%5.0% conv. - **koh**24K/yr-31.2%2.3% conv. - **hidrxido de potasio**4K/yr-1.1%1.3% conv. - **potassium hydroxide flakes**5K/yr+10.4%5.0% conv. - **potassium hydroxide powder**4K/yr-35.7%2.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/potassium-hydroxide/search-terms)
## **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.
0%4%$7K8%$14K12%$21K16%$28K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**$18.92**4.8★18 rev](https://www.amazon.com/dp/B0H1T31RNQ) [2**Pacific Pelican Potassium Hydroxide (Caustic Potash) (KOH) - Chemical**Pacific Pelican**$18.54**4.8★58 rev](https://www.amazon.com/dp/B0D8JYFTKG) [3**ALDON Innovating Science Reagent-Grade Potassium Hydroxide Pellet 100g - The Curated Chemical Collection**ALDON**$19.03**4.4★64 rev](https://www.amazon.com/dp/B07JVVTP56) [4**Potassium Hydroxide Flakes - KOH - 90% Purity - 2 lb. Canister - Caustic Potash - Caustic Soda Alternative**Alliance Chemical**$35.12**4.4★42 rev](https://www.amazon.com/dp/B0C9RRJN7L) [5**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**$50.75**4.7★106 rev](https://www.amazon.com/dp/B0B4FGCF2C)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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**$18.92**18 rev2mo ago](https://www.amazon.com/dp/B0H1T31RNQ) [**Innovating Science - Potassium Hydroxide (KOH) Concentrated EZ-PREP - Versatile Base for Scientific Industrial and Research Applications**ALDON**$14.91**9 rev1y ago](https://www.amazon.com/dp/B0F1WFY6B1) [**Best Naturals Potassium BHB Powder 1 Lb**Best Naturals**$14.73**75 rev1y ago](https://www.amazon.com/dp/B0DMG4SCRZ) [**DIYChemicals Potassium Hydroxide (KOH) Flakes - Potash for Soap Making Industrial Use and Cleaning - USA-Made (2 LBS)**Chemboys**$28.25**12 rev1y ago](https://www.amazon.com/dp/B0DKP73KSC) [**Yield Titan Potassium Hydroxide (Caustic Potash) (KOH) - Chemical**Yield Titan**$17.58**27 rev2y ago](https://www.amazon.com/dp/B0D8LCSMWZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$18.92**4.8★**▲ 301%**](https://www.amazon.com/dp/B0H1T31RNQ) [**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**$35.35**3.8★**▲ 300%**](https://www.amazon.com/dp/B0847L82QN) [**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**$37.08**5.0★**▲ 189%**](https://www.amazon.com/dp/B0BSMG2WHC) [**Sodium Hydroxide Solution 0.1M 1L - The Curated Chemical Collection**ALDON**$19.82**4.0★**▲ 104%**](https://www.amazon.com/dp/B0754JP894) [**Best Naturals Potassium BHB Powder 1 Lb**Best Naturals**$14.73**4.2★**▲ 65%**](https://www.amazon.com/dp/B0DMG4SCRZ)
**~~View all trending →~~**
## **What buyers say about potassium hydroxide**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**32%
*“Consistent product”*
**Value For Money**15%
*“Good deal”*
**Ease Of Use**12%
*“Easy to use”*
**Efficiency**11%
*“the improvement was immediate”*
**Advertised Vs Actual Product**11%
*“works as it should”*
**Pureness**5%
*“High purity, good container”*
**Leak-Proof**2%
*“Perfect, no leaks”*
**Ease Of Cleaning**2%
*“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”*
**Instructions/User Manual/Troubleshooting**1%
*“according to directions”*
**Size-Overall**1%
*“Fits my needs”*
### **What buyers complain about **
**Value For Money**14%
*“Not enough for price”*
**Advertised Vs Actual Product**14%
*“misleading”*
**Durability**7%
*“the bottom of the container arrived slightly bulged”*
**Natural Resource Wastage**7%
*“Waste”*
**Breathability**7%
*“Anyone with problems cannot breathe this product in”*
**Ease Of Use**7%
*“took long to trace”*
**Ease Of Cleaning**6%
*“Poor cleaning performance”*
**Quality-Overall**4%
*“Impure seeming”*
**Side Effects**4%
*“generated a fear of blacking out”*
**Blood Pressure**4%
*“it was a dangerous blood pressure drop”*
### **Top return reasons **
**Functionality-Overall**30%
**Advertised Vs Actual Product**23%
**Value For Money**11%
**Leak-Proof**7%
**Length**7%
**Strength**7%
**Size-Overall**7%
**Material Quality**4%
**Certifications**4%
## **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.
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