Fertilizer Injector
MaybeThe products selling today average only 3.8★. But prices span $12.16–$636.18, mostly outside the sweet spot, so Fertilizer Injector is a Maybe.
- Flapen Score
- 63 / 100Top 22% of 8,839 Patio, Lawn & Garden niches · +7 vs the category median of 5663
- Market size
- $200K/yr92K searches / yr
- 90-day growth
- +168.7%search demand this quarter
- Competition
- 47%top-5 click share · 16 brands · 45 sellers
Flapen Score
Fertilizer Injector against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Fertilizer Injector is stronger. Inside it, weaker.
Market
The Fertilizer Injector market on Amazon at a glance
Shoppers on Amazon United States searched for Fertilizer Injector 92K times last year and spent an estimated $200K. The top 5 brands take 78% of clicks. Demand peaks in Apr–May–Jun–Jul. Flapen scores it 63 out of 100, a Maybe.
01 · Demand
An estimated 2.5% of those searches ended in a purchase.
Shoppers searched for this 92K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.5% of those searches ended in a purchase. Searches in the last 90 days moved +168.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $200K a year.
- Searches, last 12 months
- 92K
- Growth, 90 days vs prior 90
- +168.7%
- Conversion, latest week
- 2.5%
- Market size, estimated
- $200Ka year
- Peak month
- May9.2× the quietest month
- Top search term
- fertilizer injector36K searches a year
02 · Price
A sale here is worth $86.18.
Listings sell for $86.18 on average, from $12.16 to $636.18. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $86.18 that is $0 to $9K a year per listing.
- Average price
- $86.18inside the $15 to $100 sweet spot
- Price range
- $12.16–$636.18
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$9K
- Returns
- 2.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
79% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 3.6% of listings are out of stock. The average listing ranks #1,083 within Watering Equipment. It carries 302 reviews at 3.75 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 79%
- Prime listings
- 86%
- Out of stock, average day
- 3.6%
- Average rank
- #1,083in Watering Equipment
- Average rating
- 3.75 starsAmazon United States average 4.42 stars
- Average reviews
- 302per listing
- Listings tracked
- 28
04 · Newcomers
2 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 60 months on average, so the names here are established.
- Launched, last 12 months
- 4
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 60 months
Products
Top Fertilizer Injector 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
EZ-FLO 3/4 Gallon HoseBib & Drip Fertilizer Injector | LowPressure Garden Feeder for On/Off Flow & Drip Irrigation | EZ 2005HB
- Price
- $93.91
- Rating
- 4.2/5
- Reviews
- 47
- Age
- 1y ago

Chapin 4710 1-Gallon HydroFeed in-Line Fertilizing Injection System for Sprinklers and Direct Hose Use 1-Pack Translucent White
- Price
- $66.84
- Rating
- 3.2/5
- Reviews
- 474
- Age
- 7y ago

Chapin 4702 HydroFeed 32-Ounce in-Line Auto-Mix Fertilizer Injector System 32-Ounce Drip Irrigation System (1 Feeder/Package)
- Price
- $72.19
- Rating
- 4.0/5
- Reviews
- 1,387
- Age
- 8y ago

NEWTRY 1:250 to 1:25 Fertilizer Injector for Drip Irrigation Adjustable Water Powered Dosing Pump 3/4 NPT
- Price
- $119.49
- Rating
- 4.1/5
- Reviews
- 200
- Age
- 8y ago

Fertilizer Injector Bottle Premium 4oz Injector Bottle with Valve and Hose End Sprayer Adapter Practical Liquid Inline Fertilizer Sprayer Dispenser Accessories for Botanical Gardens
- Price
- $15.32
- Rating
- 3.4/5
- Reviews
- 41
- Age
- 11mo ago
Trending
estimated 90-day click momentum
Ceoighe 1 Pack 3/4 Hose Siphon Fertilizer Injector Venturi Automatic Liquid Mixer for Garden Irrigation Farm & Greenhouse Watering System Easy Install Fertilizer Dispenser with Silicone Tube
- Price
- $32.45
- Rating
- 2.3/5
- Reviews
- 6
- Age
- 5mo ago

QWORK Irrigation Fertilizer Injector Kit G1/2 Plastic Efficient Mixer Injectors Device Tube Switch Filter for Drip Irrigation Liquid Fertilizer Application
- Price
- $12.16
- Rating
- 3.8/5
- Reviews
- 29
- Age
- 3y ago

Chapin 4700 HydroFeed 16-Ounce in-Line Auto-Mix Fertilizer Injector System 16-Ounce Drip Irrigation System (1 Feeder/Package)
- Price
- $38.39
- Rating
- 4.0/5
- Reviews
- 1,387
- Age
- 8y ago

DOITOOL 3/4 Inch Venturi Fertilizer Injector for Drip Irrigation Venturi Injector Fertilizer Mixer Water Tube Filter for Sprinkler System Garden Agriculture Tool Watering Kit
- Price
- $18.83
- Rating
- 2.6/5
- Reviews
- 26
- Age
- 5y ago

UPLYKKE Venturi Fertilizer Injector Kit - 1-inch NPT Automatic Water-Powered Mixer for Drip Irrigation Systems Garden and Farm Use
- Price
- $19.91
- Rating
- 1.8/5
- Reviews
- 9
- Age
- 5mo ago
Newest
by launch date
Ceoighe 1 Pack 3/4 Hose Siphon Fertilizer Injector Venturi Automatic Liquid Mixer for Garden Irrigation Farm & Greenhouse Watering System Easy Install Fertilizer Dispenser with Silicone Tube
- Price
- $32.45
- Rating
- 2.3/5
- Reviews
- 6
- Age
- 5mo ago

UPLYKKE Venturi Fertilizer Injector Kit - 1-inch NPT Automatic Water-Powered Mixer for Drip Irrigation Systems Garden and Farm Use
- Price
- $19.91
- Rating
- 1.8/5
- Reviews
- 9
- Age
- 5mo ago

Fertilizer Injector Bottle Premium 4oz Injector Bottle with Valve and Hose End Sprayer Adapter Practical Liquid Inline Fertilizer Sprayer Dispenser Accessories for Botanical Gardens
- Price
- $15.32
- Rating
- 3.4/5
- Reviews
- 41
- Age
- 11mo ago

Varomorus 4 oz Fertilizer Injector Bottle with Valve and Hose Adapter
- Price
- $14.88
- Rating
- 3.8/5
- Reviews
- 55
- Age
- 1y ago

0.4%~4% Adjustable Fertilizer Injector for Drip Irrigation Automatic Chemical Liquid Dosing Pump 2.2~13 Gallons/H Flow Rate Drip Irrigation Fertilizer Injector for Livestock Industry Garden
- Price
- $89.22
- Rating
- 4.7/5
- Reviews
- 4
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 47% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 falling
Sellers
45
Est. top-5 brand share
78%
Top 20: 100%
Est. top-5 click share
47%
Top 20: 90%
Open market
17%
- Chapin International30%
- EZ-FLO27%
- NEWTRY11%
- Sinbana6%
- UPLYKKE5%
- Generic5%
- Open — no brand owns it (10 brands, 17%)
Demand
Fertilizer Injector search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 9.2×
Search terms
Top Fertilizer Injector search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- fertilizer injector36K/yr
- fertilizer injector for drip irrigation16K/yr
- inline fertilizer dispenser8K/yr
- ez flow fertilizer injector9K/yr
- inline hose fertilizer dispenser6K/yr
- fertilizer injector for garden hose5K/yr
- drip irrigation fertilizer injector4K/yr
- inline fertilizer injector3K/yr
- sprinkler system fertilizer injector3K/yr
Reviews and returns
What reviews say buyers love and hate about Fertilizer Injector
We read the reviews and the return reasons for every product selling here.
“it began leaking”
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.
17 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 Fertilizer Injector 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









