maxicrop seaweed liquid fertilizer
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible19.2%search→purchase rate — share of searches ending in a sale
Growth
Great+104.9%90-day search growth — must beat 0% to launch
Review moat
Good900.13avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£10.53avg listing price — sweet spot $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Price range
Okay£5.26–£18.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad90%top-5 click share — a locked-up shelf
Market size
Bad£29K£29K/yr · 15K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, maxicrop seaweed liquid fertilizer is a £29K/yr Amazon United Kingdom market (15K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Skip it — 46/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
maxicrop seaweed liquid fertilizer market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- £26K–£32K
- units × avg price
- Conversion rate
- 19.2%
- Avg BSR
- #68
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 88%
- Out of stock
- 3.5%
- Avg brand age
- 68 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
1 falling
Sellers
36
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- Maxicrop100%
Demand & seasonality
Weekly Amazon search volume, last 62 weeks — +104.9% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 21.5×
Top maxicrop seaweed liquid fertilizer 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Maxicrop All Purpose Plant Growth Stimulant 1L - Natural Seaweed Based Liquid Biostimulant - Multivitamin Boost for All Garden Plants - Strong Roots - Healthy Growth - Builds Resilient Crops
Maxicrop£6.444.5★1,029 rev
Maxicrop All Purpose Plant Growth Stimulant 2.5L - Natural Seaweed Based Liquid Biostimulant - Multivitamin Boost for All Garden Plants - Strong Roots - Healthy Growth - Builds Resilient Crops
Maxicrop£16.244.6★2,519 rev
Maxicrop PPSI61L Sequestered Iron 1L - Iron Infused Natural Seaweed Extract - Protects Against Yellowing - Supports Growth In Difficult Soil Conditions - Plant Nutrition Blue
Maxicrop£5.924.6★1,160 rev
Maxicrop XNATF61L All Purpose Organic Garden Natural Fertiliser 1L - All Purpose Organic Fertiliser - with Seaweed Extract - for Strong Growth and Healthy Root Development - Indoor and Garden Use
Maxicrop£7.834.6★649 rev
Maxicrop POPGSYDL Original Seaweed Extract Organic Plant Growth Stimulant 500ML Concentrate Brown
Maxicrop£5.264.6★120 rev
Newest
by launch date
Maxicrop Original Seaweed Extract 2.5L
Maxicrop£18.6122 rev
Maxicrop XOTNF61L Organic Tomato Natural Fertiliser 1L - Organic Tomato Plant Food - for Great Tasting Tomatoes - Added Seaweed Extract for Healthy Plant Growth - Growing Vegetables
Maxicrop£10.14392 rev
Maxicrop PMKLT4TL 2.5 Litre Moss Killer and Lawn Tonic - Green
Maxicrop£13.791,310 rev
Maxicrop XNATF61L All Purpose Organic Garden Natural Fertiliser 1L - All Purpose Organic Fertiliser - with Seaweed Extract - for Strong Growth and Healthy Root Development - Indoor and Garden Use
Maxicrop£7.83649 rev
Maxicrop All Purpose Plant Growth Stimulant 2.5L - Natural Seaweed Based Liquid Biostimulant - Multivitamin Boost for All Garden Plants - Strong Roots - Healthy Growth - Builds Resilient Crops
Maxicrop£16.242,519 rev
Trending
90-day click momentumMaxicrop XOTNF61L Organic Tomato Natural Fertiliser 1L - Organic Tomato Plant Food - for Great Tasting Tomatoes - Added Seaweed Extract for Healthy Plant Growth - Growing Vegetables
Maxicrop£10.144.5★
Maxicrop All Purpose Plant Growth Stimulant 1L - Natural Seaweed Based Liquid Biostimulant - Multivitamin Boost for All Garden Plants - Strong Roots - Healthy Growth - Builds Resilient Crops
Maxicrop£6.444.5★
Maxicrop PMKLT4TL 2.5 Litre Moss Killer and Lawn Tonic - Green
Maxicrop£13.794.4★
Maxicrop POPGSYDL Original Seaweed Extract Organic Plant Growth Stimulant 500ML Concentrate Brown
Maxicrop£5.264.6★
Maxicrop PPSI61L Sequestered Iron 1L - Iron Infused Natural Seaweed Extract - Protects Against Yellowing - Supports Growth In Difficult Soil Conditions - Plant Nutrition Blue
Maxicrop£5.924.6★
What buyers say about maxicrop seaweed liquid fertilizer
What buyers praise and complain about, mined from review topics.What buyers love
“Really good gear”
“I have taken on through the reviews that it really helps with plant growth”
“It is reasonably priced at Amzon”
“easy to use”
“Very Effective Moss Remover”
“One bottle was just enough to do my lawn”
“Everthing it claims to be”
“The colour is a brown colour but is oderless”
What buyers complain about
“No working”
“Have had two spillages when cap appeared to be on tight”
“sprayed absolutely everywhere in my house”
“miss beginning to go black”
“Not easy to clean”
“more expensive than my usual plant feed”
“Killed all the moss except a light type”
“Some contain iron which causes rust on your flags which is impossible to remove unless you spend stupid money on the right chemicals to remove it”
“Use sparingly, it's a bit pokey”
“day after I took ill for a week by time I got round to planting 5 of the 6 looked dried out and limp”
Top return reasons
Common questions
- Is maxicrop seaweed liquid fertilizer profitable to sell on Amazon United Kingdom?
- The niche generates £29K/yr across 8 tracked products. 90-day search growth is +104.9%. Flapen's verdict: Skip it (46/100).
- How competitive is the maxicrop seaweed liquid fertilizer niche?
- 1 brands and 36 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in maxicrop seaweed liquid fertilizer?
- Top complaints mined from reviews: Functionality-Overall, Leak-Proof, Spray/Flow. The return rate is 0.1%.
- When does demand for maxicrop seaweed liquid fertilizer peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 21.5× the quietest.
- What does it cost to enter the maxicrop seaweed liquid fertilizer niche?
- Listings span £5.26–£18.61; the average listing price is £10.53 (sweet spot $15–$100). The average incumbent carries 900 reviews — the moat a new listing must climb.