Is blood fish and bone fertiliser profitable to sell on Amazon United Kingdom?

The niche generates £399K/yr across 15 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -9.2%. Flapen's verdict: Worth a look (50/100).

How competitive is the blood fish and bone fertiliser niche?

9 brands and 66 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 87% of demand.

What do buyers complain about in blood fish and bone fertiliser?

Top complaints mined from reviews: Smell, Leak-Proof, Value For Money. The return rate is 0.0%.

When does demand for blood fish and bone fertiliser peak?

Demand peaks in Mar–Apr–May; the busiest month runs 16.4× the quietest.

What does it cost to enter the blood fish and bone fertiliser niche?

Listings span £5.35–£34.01; the average listing price is £14.37 (sweet spot $15–$100). The average incumbent carries 595 reviews — the moat a new listing must climb.

blood fish and bone fertiliser

Worth a look

Shows low returns (0.0%), but soft demand (-9.2% this quarter) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible17.0%

search→purchase rate — share of searches ending in a sale

Review moat

Good595

avg incumbent reviews — the moat a new listing must climb

Avg price

Good£14.37

avg listing price — sweet spot $15–$100

Price range

Good£5.35–£34.01

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Good£399K

£399K/yr · 164K searches

Brand share

Okay87%

top-5 brand share — brands hold most of the demand

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad74%

top-5 click share — a locked-up shelf

Growth

Bad-9.2%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United Kingdom niche tracking, blood fish and bone fertiliser is a £399K/yr Amazon United Kingdom market (164K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Mar–Apr–May. Verdict: Worth a look — 50/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

blood fish and bone fertiliser market data

Units sold / yr: 20K–25K; avg 1,000–1,250/product
Revenue / yr: £287K–£359K; units × avg price
Conversion rate: 17.0%
Avg BSR: #68
Page quality: 0%
Prime: 40%
Sponsored: 53%
Out of stock: 2.1%
Avg brand age: 59 months
Avg seller age: 173 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 flat

Sellers

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

Westland49%
Grow Chem19%
Vitax Ltd7%
Topline7%
Doff5%
Elixir Gardens5%
Open — no brand owns it (3 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.2% search growth over the last 90 days.

Peak months: Mar, Apr, May · busiest ÷ quietest = 16.4×

Open Trend

Top blood fish and bone fertiliser search terms

fish blood and bone fertiliser53K/yr -1.7%16.2% conv.
blood fish and bone fertiliser44K/yr -8.6%16.5% conv.
fish blood and bone16K/yr -3.9%13.9% conv.
fish bone and blood fertiliser12K/yr +24.9%13.5% conv.
blood fish and bone14K/yr -26.7%14.4% conv.
blood and bone fertiliser5K/yr -13.6%17.6% conv.
blood bone and fish meal fertiliser5K/yr -5.7%17.1% conv.
fish blood and bone fertiliser 10kg5K/yr -38.4%12.8% conv.
blood fish and bone fertiliser 25kg5K/yr -46.8%13.4% conv.
fish blood and bone fertiliser 25kg4K/yr -33.9%11.5% conv.

All search terms

Top blood fish and bone fertiliser 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Westland Fish Blood & Bone 4Kg

Westland£6.854.9★78 rev

Westland Fish Blood & Bone 8kg Bag

Westland£10.034.7★547 rev

Grow Chem Fish Blood & Bone Fertiliser (1KG Bucket) Multi-Purpose Organic Fertiliser for Plants & Lawns Nutrient-Packed Plant Food and Soil Activator for Strong Healthy Produce Flowers & Lawns

Grow Chem£6.884.6★871 rev

Fish Blood & Bone Plant Food with Garden Gloves - 8kg All Purpose Natural Fish Blood & Bone Fertiliser with 2 Pairs of Gloves for Gardening. Growmore Fertilizer Plant Feed Granules

Topline£17.554.6★181 rev

Vitax Blood Fish & Bone Organic-Based General Purpose Fertiliser Suitable For Fruit Vegetables & Flowers Slow Release Promotes Root Growth- 5Kg

Vitax Ltd£12.204.5★1,860 rev

Newest

by launch date

Westland Fish Blood & Bone 4Kg

Westland£6.8578 rev

8mo ago

Westland Fish Blood & Bone 1.5Kg

Westland£5.3530 rev

8mo ago

PMB Westland Fish Blood and Bone All Purpose Plant Food 8 kg

PMB£16.1836 rev

2y ago

Westland Fish Blood & Bone 8kg Bag

Westland£10.03547 rev

2y ago

1.5kg Fish Blood & Bone Natural Fertiliser - Natural All Purpose Fertiliser Ready to Use Ideal for fast growing flowers fruits and vegetables.

SuperGift.com£8.3044 rev

3y ago

What buyers say about blood fish and bone fertiliser

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money39%

“Good Value for Money”

Quality-Overall20%

“Excellent Feed – Really Noticeable Results”

Plant Growth12%

“Brilliant product easy to use helps your plants to grow stronger”

Advertised Vs Actual Product9%

“As advertised”

Ease Of Use8%

“Easy to use”

Size-Overall3%

“Good size and price”

Color1%

“Garden green”

Recycle/Reuse1%

“using to refresh old compost seems to be very good”

Moist/Dry1%

“Improved plants/ soil once watered well within a few days”

Spray/Flow1%

“Good for applying by spray to foliage, too”

What buyers complain about

Smell20%

“it doesn't even smell like it supposed to”

Leak-Proof13%

“puncture on lid so leaking”

Value For Money13%

“Very expensive”

Size-Overall12%

“Will need a bigger size next time”

Quality-Overall9%

“which is very different from what I had before from a different brand”

Pest/Insect Control7%

“Doesn't work with ants”

Weight Heavy7%

“Heavy when delivered”

Functionality-Overall7%

“it doesnt work”

Advertised Vs Actual Product2%

“is that the photo representation is not accurate”

Top return reasons

Leak-Proof34%

Size-Overall20%

Value For Money10%

Advertised Vs Actual Product10%

Defective Material/Parts6%

Pest/Insect Control4%

Functionality-Overall4%

Smell4%

Quality-Overall4%

Compatibility-Overall4%

Common questions

Is blood fish and bone fertiliser profitable to sell on Amazon United Kingdom?: The niche generates £399K/yr across 15 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -9.2%. Flapen's verdict: Worth a look (50/100).
How competitive is the blood fish and bone fertiliser niche?: 9 brands and 66 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in blood fish and bone fertiliser?: Top complaints mined from reviews: Smell, Leak-Proof, Value For Money. The return rate is 0.0%.
When does demand for blood fish and bone fertiliser peak?: Demand peaks in Mar–Apr–May; the busiest month runs 16.4× the quietest.
What does it cost to enter the blood fish and bone fertiliser niche?: Listings span £5.35–£34.01; the average listing price is £14.37 (sweet spot $15–$100). The average incumbent carries 595 reviews — the moat a new listing must climb.