Potassium Nitrate
MaybeAn estimated 0.2% of orders come back. But the products selling today already average 4.6★, so Potassium Nitrate is a Maybe.
- Flapen Score
- 56 / 100Ranks 4,126 of 8,839 Patio, Lawn & Garden niches · on the category median56
- Market size
- $163K/yr211K searches / yr
- 90-day growth
- +40.8%search demand this quarter
- Competition
- 60%top-5 click share · 11 brands · 18 sellers
Flapen Score
Potassium Nitrate against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Potassium Nitrate is stronger. Inside it, weaker.
Market
The Potassium Nitrate market on Amazon at a glance
Shoppers on Amazon United States searched for Potassium Nitrate 211K times last year and spent an estimated $163K. The top 5 brands take 75% of clicks. Demand peaks in Jul. Flapen scores it 56 out of 100, a Maybe.
01 · Demand
An estimated 3.4% of those searches ended in a purchase.
Shoppers searched for this 211K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.4% of those searches ended in a purchase. Searches in the last 90 days moved +40.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $163K a year.
- Searches, last 12 months
- 211K
- Growth, 90 days vs prior 90
- +40.8%
- Conversion, latest week
- 3.4%
- Market size, estimated
- $163Ka year
- Peak month
- July1.5× the quietest month
- Top search term
- potassium nitrate157K searches a year
02 · Price
A sale here is worth $22.48.
Listings sell for $22.48 on average, from $8.93 to $47.61. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 250 to 500 of them. At $22.48 that is $6K to $11K a year per listing.
- Average price
- $22.48inside the $15 to $100 sweet spot
- Price range
- $8.93–$47.61
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $6K–$11K
- Returns
- 0.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
25% of listings pay for placement with sponsored ads. 44% ship with Prime. On an average day, 11.3% of listings are out of stock. The average listing ranks #481 within Soils, Mulches & Planting Media. It carries 190 reviews at 4.56 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 25%
- Prime listings
- 44%
- Out of stock, average day
- 11.3%
- Average rank
- #481in Soils, Mulches & Planting Media
- Average rating
- 4.56 starsAmazon United States average 4.42 stars
- Average reviews
- 190per listing
- Listings tracked
- 16
04 · Newcomers
4 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 74 months on average, so the names here are established.
- Launched, last 12 months
- 5
- Successful launches
- 4Amazon's first-year sales bar
- Average brand age
- 74 months
Products
Top Potassium Nitrate 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 15, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Potassium Nitrate - KNO3 Powder - Laboratory Grade - 1 Pound | 1 Lb
- Price
- $17.88
- Rating
- 4.6/5
- Reviews
- 119
- Age
- 2y ago

Outlaw X 5 Pound Potassium Nitrate High Purity Water Soluble Powder Stump Remover Hydroponics and More
- Price
- $26.97
- Rating
- 4.8/5
- Reviews
- 36
- Age
- 4mo ago

Potassium Nitrate Technical Grade KNO3 4LBs 4 LBs (Granulated)
- Price
- $21.00
- Rating
- 4.6/5
- Reviews
- 416
- Age
- 5y ago

Ecoxall Potassium Nitrate Pellets 99% Pure Tree Stump Remover Fertilizer for Plants Grass Indoor and Outdoor Lawn Care Industrial-Grade Prilled 5 lbs
- Price
- $29.37
- Rating
- 4.4/5
- Reviews
- 370
- Age
- 2y ago

Innovating Science - Potassium Nitrate Lab Grade 500g - Versatile Oxidizing Agent for Scientific Industrial and Research Applications
- Price
- $28.11
- Rating
- 4.2/5
- Reviews
- 5
- Age
- 1y ago
Trending
estimated 90-day click momentum
Potassium Nitrate Stump Remover - 5lbs - Drill and Pour - Potassium Nitrate Powder
- Price
- $28.55
- Rating
- 4.3/5
- Reviews
- 5
- Age
- 2mo ago

Innovating Science - Potassium Nitrate Lab Grade 500g - Versatile Oxidizing Agent for Scientific Industrial and Research Applications
- Price
- $28.11
- Rating
- 4.2/5
- Reviews
- 5
- Age
- 1y ago

Outlaw X 5 Pound Potassium Nitrate High Purity Water Soluble Powder Stump Remover Hydroponics and More
- Price
- $26.97
- Rating
- 4.8/5
- Reviews
- 36
- Age
- 4mo ago

High-Purity Potassium Nitrate (KNO) 5 lb 99% Refined Multi-Purpose: Stump Remover Industrial Laboratory Hydroponics
- Price
- $26.95
- Rating
- 4.9/5
- Reviews
- 12
- Age
- 10mo ago

Potassium Nitrate Technical Grade KNO3 4LBs 4 LBs (Milled)
- Price
- $23.02
- Rating
- 4.6/5
- Reviews
- 416
- Age
- 5y ago
Newest
by launch date
Potassium Nitrate Stump Remover - 5lbs - Drill and Pour - Potassium Nitrate Powder
- Price
- $28.55
- Rating
- 4.3/5
- Reviews
- 5
- Age
- 2mo ago

Outlaw X 5 Pound Potassium Nitrate High Purity Water Soluble Powder Stump Remover Hydroponics and More
- Price
- $26.97
- Rating
- 4.8/5
- Reviews
- 36
- Age
- 4mo ago

Outlaw X Potassium Nitrate High Purity Powder Reagent Grade 10 Pounds for Stump Remover
- Price
- $47.61
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 4mo ago

Outlaw X 99% Pure Potassium Nitrate Powder Tree Stump Remover Water Soluble 2 lb Net Weight
- Price
- $18.82
- Rating
- 4.2/5
- Reviews
- 34
- Age
- 8mo ago

High-Purity Potassium Nitrate (KNO) 5 lb 99% Refined Multi-Purpose: Stump Remover Industrial Laboratory Hydroponics
- Price
- $26.95
- Rating
- 4.9/5
- Reviews
- 12
- Age
- 10mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 rising
Sellers
18
Est. top-5 brand share
75%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 100%
Open market
19%
- Outlaw X23%
- Generic19%
- Haifa17%
- Ecoxall9%
- ALDON6%
- Humco6%
Demand
Potassium Nitrate search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 1.5×
Search terms
Top Potassium Nitrate search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- potassium nitrate157K/yr
- potassium nitrate powder23K/yr
- potassium perchlorate13K/yr
- potassium nitrate fertilizer6K/yr
- saltpeter potassium nitrate5K/yr
- kno35K/yr
- potassium perchlorate powder3K/yr
Reviews and returns
What reviews say buyers love and hate about Potassium Nitrate
We read the reviews and the return reasons for every product selling here.
“It hasnt shown signs of working after 5 days”
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 Potassium Nitrate 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









