Monopotassium Phosphate
MaybeSearch demand grew +209.4% this quarter. But the top 5 products take 76% of clicks, so Monopotassium Phosphate is a Maybe.
- Flapen Score
- 56 / 100Ranks 4,126 of 8,839 Patio, Lawn & Garden niches · on the category median56
- Market size
- $93K/yr44K searches / yr
- 90-day growth
- +209.4%search demand this quarter
- Competition
- 76%top-5 click share · 9 brands · 10 sellers
Flapen Score
Monopotassium Phosphate against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Monopotassium Phosphate is stronger. Inside it, weaker.
Market
The Monopotassium Phosphate market on Amazon at a glance
Shoppers on Amazon United States searched for Monopotassium Phosphate 44K times last year and spent an estimated $93K. The top 5 brands take 84% of clicks. Demand peaks in May–Jun–Jul. Flapen scores it 56 out of 100, a Maybe.
01 · Demand
An estimated 6.1% of those searches ended in a purchase.
Shoppers searched for this 44K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.1% of those searches ended in a purchase. Searches in the last 90 days moved +209.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $93K a year.
- Searches, last 12 months
- 44K
- Growth, 90 days vs prior 90
- +209.4%
- Conversion, latest week
- 6.1%
- Market size, estimated
- $93Ka year
- Peak month
- May6.0× the quietest month
- Top search term
- mkp fertilizer10K searches a year
02 · Price
A sale here is worth $35.06.
Listings sell for $35.06 on average, from $11.85 to $98.35. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 100 to 250 of them. At $35.06 that is $4K to $9K a year per listing.
- Average price
- $35.06inside the $15 to $100 sweet spot
- Price range
- $11.85–$98.35
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $4K–$9K
- Returns
- 0.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
42% of listings pay for placement with sponsored ads. 75% ship with Prime. On an average day, 5.3% of listings are out of stock. The average listing ranks #1,773 within Soils, Mulches & Planting Media. It carries 963 reviews at 4.62 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 42%
- Prime listings
- 75%
- Out of stock, average day
- 5.3%
- Average rank
- #1,773in Soils, Mulches & Planting Media
- Average rating
- 4.62 starsAmazon United States average 4.42 stars
- Average reviews
- 963per listing
- Listings tracked
- 12
04 · Newcomers
0 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 83 months on average, so the names here are established.
- Launched, last 12 months
- 3
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 83 months
Products
Top Monopotassium Phosphate 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
Monopotassium Phoshpate (MKP) Fertilizer | Highly Water Soluble | 0-52-34 (1 Pound)
- Price
- $15.71
- Rating
- 4.6/5
- Reviews
- 172
- Age
- 4y ago

Monopotassium Phoshpate (MKP) Fertilizer 0-52-34 | Highly Water Soluble | Supports Strong Root Development & Flowering | Enhances Flower Formation & Fruit Production | (5 Pounds)
- Price
- $39.50
- Rating
- 4.5/5
- Reviews
- 134
- Age
- 4y ago

Pure Monopotassium Phosphate (MKP) Fertilizer 05234 WaterSoluble 5 lbs
- Price
- $34.93
- Rating
- 4.6/5
- Reviews
- 14
- Age
- 1y ago

Monopotassium Phosphate MKP 0-52-34 Highest Purity Haifa Grade Water Soluble Plant Nutrient Bloom Booster 2 lb
- Price
- $19.95
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 4mo ago

Greenway Biotech Inc. Monopotassium Phosphate Fertilizer 0-52-34-100% Water Soluble Hydroponics for Root Strength - Increase Yield and Blooming - High Purity Plant Nutrient Formula - 1 Pound
- Price
- $33.64
- Rating
- 4.6/5
- Reviews
- 603
- Age
- 12y ago
Trending
estimated 90-day click momentum
Boca Hydro MKP 0-52-34 Mono Potassium Phosphate Hydroponic Grade Water Soluble Fertilizer Bloom Booster Flowering Enhancer Root Builder for Hydroponics Soil Fertigation Vegetables Trees (1 Lb)
- Price
- $18.00
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2mo ago

Boca Hydro MKP 0-52-34 Mono Potassium Phosphate Hydroponic Grade Water Soluble Fertilizer Bloom Booster Flowering Enhancer Root Builder for Hydroponics Soil Fertigation Vegetables Trees (5 Lb)
- Price
- $48.76
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2mo ago

Monopotassium Phosphate MKP 0-52-34 Highest Purity Haifa Grade Water Soluble Plant Nutrient Bloom Booster 2 lb
- Price
- $19.95
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 4mo ago

Humboldts Secret Monopotassium Phosphate 0-52-34 | MKP Fertilizer Bloom Booster for Flowers Fruits & Vegetables | High Purity Water Soluble Phosphorus and Potassium Plant Food | 5 lb
- Price
- $98.35
- Rating
- 4.6/5
- Reviews
- 72
- Age
- 1y ago

Phosphorus & Potassium Fertilizer Liquid Bloom Booster for Strong Roots Better Blooms & Improved Fruit Development 8 oz
- Price
- $11.85
- Rating
- 4.5/5
- Reviews
- 172
- Age
- 1y ago
Newest
by launch date
Boca Hydro MKP 0-52-34 Mono Potassium Phosphate Hydroponic Grade Water Soluble Fertilizer Bloom Booster Flowering Enhancer Root Builder for Hydroponics Soil Fertigation Vegetables Trees (1 Lb)
- Price
- $18.00
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2mo ago

Boca Hydro MKP 0-52-34 Mono Potassium Phosphate Hydroponic Grade Water Soluble Fertilizer Bloom Booster Flowering Enhancer Root Builder for Hydroponics Soil Fertigation Vegetables Trees (5 Lb)
- Price
- $48.76
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2mo ago

Monopotassium Phosphate MKP 0-52-34 Highest Purity Haifa Grade Water Soluble Plant Nutrient Bloom Booster 2 lb
- Price
- $19.95
- Rating
- 5.0/5
- Reviews
- 4
- Age
- 4mo ago

Pure Monopotassium Phosphate (MKP) Fertilizer 05234 WaterSoluble 5 lbs
- Price
- $34.93
- Rating
- 4.6/5
- Reviews
- 14
- Age
- 1y ago

Monopotassium Phosphate Fertilizer MKP 0-52-34 from Plantco | Promotes Root & Flower Growth Bloom Booster | Horticulture Grade Soluble Plant Food | 2 lb Bag
- Price
- $31.09
- Rating
- 4.6/5
- Reviews
- 8
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.
Brands
9 falling
Sellers
10
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
76%
Top 20: 100%
Open market
10%
- Prevegenics54%
- Humboldts Secret9%
- NilocG Aquatics8%
- Generic7%
- Greenway Biotech, Inc.6%
- Boca Hydro6%
- Open — no brand owns it (3 brands, 10%)
Demand
Monopotassium Phosphate search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Jul · busiest ÷ quietest = 6.0×
Search terms
Top Monopotassium Phosphate search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- mkp fertilizer10K/yr
- monopotassium phosphate12K/yr
- mkp fertilizer 0-52-343K/yr
- monopotassium phosphate fertilizer4K/yr
- potassium dihydrogen phosphate6K/yr
- mkp5K/yr
- monopotassium2K/yr
Reviews and returns
What reviews say buyers love and hate about Monopotassium Phosphate
We read the reviews and the return reasons for every product selling here.
“I cant tell its helping my flowering plants put out more flowers and fruits”
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.
15 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 Monopotassium Phosphate 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









