kratky hydroponics kit
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$30.16avg listing price — sweet spot $15–$100
Price range
Great$14.00–$59.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Growth
Good+40.4%90-day search growth — must beat 0% to launch
Review moat
Okay2,316.33avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad84%top-5 click share — a locked-up shelf
Market size
Bad$49K$49K/yr · 26K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, kratky hydroponics kit is a $49K/yr Amazon United States market (26K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May. Verdict: Skip it — 44/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
kratky hydroponics kit market data
- Units sold / yr
- 1K–2K
- avg 100–250/product
- Revenue / yr
- $38K–$45K
- units × avg price
- Conversion rate
- 6.1%
- Avg BSR
- #910
- Page quality
- 0%
- Prime
- 22%
- Sponsored
- 0%
- Out of stock
- 5.6%
- Avg brand age
- 78 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
3
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
84%
Top 20: 100%
Open market
0%
- MasterBlend89%
- Generic5%
- Cz Garden Supply4%
- PowerGrow Systems2%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +40.4% search growth over the last 90 days.Peak months: Mar, Apr, May · busiest ÷ quietest = 2.0×
Top kratky hydroponics kit search terms
- masterblend15K/yr
- master blend 4-18-38 hydroponic fertilizer7K/yr
- master blend5K/yr
Top kratky hydroponics kit 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (25 Pound Kit)
MasterBlend$59.974.7★4,735 rev

MasterBlend 4-18-38 Tomato & Vegetable Fertilizer - Bulk 1 5 or 25 Pounds (1 Pound)
MasterBlend$14.004.6★470 rev

MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (12.5 Pound Kit)
MasterBlend$37.914.7★4,735 rev

MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (2.5 Pound Kit)
MasterBlend$24.964.7★4,735 rev

MasterBlend 4-18-38 Tomato & Vegetable Fertilizer - Bulk 1 5 or 25 Pounds (5 Pounds)
MasterBlend$24.714.7★1,241 rev
Newest
by launch date
4-18-38 Fertilizer Made in USA 100% Water Soluble Plant Food for Hydroponics and Soil Gardens - Tomatoes Peppers & Leafy Greens - Super Concentrated - Makes 1000 Gallons!
Cz Garden Supply$27.9369 rev

MASTERBLEND 20-20-20 All Purpose Fertilizer (5 Pound Bag) - Exclusive to PowerGrow Systems
PowerGrow Systems$24.9857 rev

MASTERBLEND 4-18-38 Complete Combo Kit - Tomato & Vegetable Fertilizer Nutrients (1.25 Pound Kit)
Generic$24.0370 rev

MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (5 Pound Kit)
MasterBlend$32.954,735 rev

MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (25 Pound Kit)
MasterBlend$59.974,735 rev
Trending
90-day click momentum
MasterBlend 4-18-38 Tomato & Vegetable Fertilizer - Bulk 1 5 or 25 Pounds (1 Pound)
MasterBlend$14.004.6★

MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (12.5 Pound Kit)
MasterBlend$37.914.7★

MASTERBLEND 4-18-38 Complete Combo Kit - Tomato & Vegetable Fertilizer Nutrients (1.25 Pound Kit)
Generic$24.034.8★

MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (2.5 Pound Kit)
MasterBlend$24.964.7★

MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (25 Pound Kit)
MasterBlend$59.974.7★
What buyers say about kratky hydroponics kit
What buyers praise and complain about, mined from review topics.What buyers love
“the plants love it”
“Really good product excellent results”
“Too cheap”
“Perfect trial size without the commitment”
“This makes it very easy to use”
“this should last my single 5gal tower at least 6 months”
“Exactly as described”
What buyers complain about
“I think this product is a little bit overpriced”
Top return reasons
Common questions
- Is kratky hydroponics kit profitable to sell on Amazon United States?
- The niche generates $49K/yr across 9 tracked products. 90-day search growth is +40.4%. Flapen's verdict: Skip it (44/100).
- How competitive is the kratky hydroponics kit niche?
- 4 brands and 3 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in kratky hydroponics kit?
- Top complaints mined from reviews: Value For Money. The return rate is 0.0%.
- When does demand for kratky hydroponics kit peak?
- Demand peaks in Mar–Apr–May; the busiest month runs 2.0× the quietest.
- What does it cost to enter the kratky hydroponics kit niche?
- Listings span $14.00–$59.97; the average listing price is $30.16 (sweet spot $15–$100). The average incumbent carries 2,316 reviews — the moat a new listing must climb.