---
title: "Blood Fish and Bone Fertiliser — £399K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/blood-fish-and-bone-fertiliser"
last_updated: "2026-07-31T13:26:59.904Z"
locale: en
meta:
description: "Niche score 50/100 · £399K/yr market · 164K searches/yr · £14.37 avg price. Soft demand (-9.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · £399K/yr market · 164K searches/yr · £14.37 avg price. Soft demand (-9.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Blood Fish and Bone Fertiliser — £399K/yr Amazon UK Niche (2026) - Flapen"
---
# **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.
Market size 55Growth 20Conversion 98Competition 22Returns 100Price range 66Avg price 70Brand share 30Review moat 73Quality gap 24
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****17.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****595**
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**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****74%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**66**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**8%**
- 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.
9K7KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr, May · busiest ÷ quietest = 16.4×
[**Open Trend **](https://flapen.com/research/uk/home-garden/blood-fish-and-bone-fertiliser/trend)
## **Top blood fish and bone fertiliser search terms**
- **fish blood and bone fertiliser**53K/yr-1.7%16.2% conv. - **blood fish and bone fertiliser**44K/yr-8.6%16.5% conv. - **fish blood and bone**16K/yr-3.9%13.9% conv. - **fish bone and blood fertiliser**12K/yr+24.9%13.5% conv. - **blood fish and bone**14K/yr-26.7%14.4% conv. - **blood and bone fertiliser**5K/yr-13.6%17.6% conv. - **blood bone and fish meal fertiliser**5K/yr-5.7%17.1% conv. - **fish blood and bone fertiliser 10kg**5K/yr-38.4%12.8% conv. - **blood fish and bone fertiliser 25kg**5K/yr-46.8%13.4% conv. - **fish blood and bone fertiliser 25kg**4K/yr-33.9%11.5% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/blood-fish-and-bone-fertiliser/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.
0%10%£40K20%£80K30%£120K40%£160K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Westland Fish Blood & Bone 4Kg**Westland**£6.85**4.9★78 rev](https://www.amazon.co.uk/dp/B0G2T57HX2) [2**Westland Fish Blood & Bone 8kg Bag**Westland**£10.03**4.7★547 rev](https://www.amazon.co.uk/dp/B0CL7SLCC9) [3**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**£6.88**4.6★871 rev](https://www.amazon.co.uk/dp/B09SY4NKYQ) [4**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**£17.55**4.6★181 rev](https://www.amazon.co.uk/dp/B0C46TYGKV) [5**Vitax Blood Fish & Bone Organic-Based General Purpose Fertiliser Suitable For Fruit Vegetables & Flowers Slow Release Promotes Root Growth- 5Kg**Vitax Ltd**£12.20**4.5★1,860 rev](https://www.amazon.co.uk/dp/B003MPCMVA)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Westland Fish Blood & Bone 4Kg**Westland**£6.85**78 rev8mo ago](https://www.amazon.co.uk/dp/B0G2T57HX2) [**Westland Fish Blood & Bone 1.5Kg**Westland**£5.35**30 rev8mo ago](https://www.amazon.co.uk/dp/B0G2SW3Z86) [**PMB Westland Fish Blood and Bone All Purpose Plant Food 8 kg**PMB**£16.18**36 rev2y ago](https://www.amazon.co.uk/dp/B0CV4CKTR6) [**Westland Fish Blood & Bone 8kg Bag**Westland**£10.03**547 rev2y ago](https://www.amazon.co.uk/dp/B0CL7SLCC9) [**1.5kg Fish Blood & Bone Natural Fertiliser - Natural All Purpose Fertiliser Ready to Use Ideal for fast growing flowers fruits and vegetables.**SuperGift.com**£8.30**44 rev3y ago](https://www.amazon.co.uk/dp/B0C86PT3XQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Westland Fish Blood & Bone 4Kg**Westland**£6.85**4.9★**▲ 83%**](https://www.amazon.co.uk/dp/B0G2T57HX2) [**Elixir Gardens Fish Blood and Bone Natural Organic Fertiliser 25Kg Bag | 5-5-6 | Treats over 350sqm**Elixir Gardens**£28.31**4.7★**▲ 76%**](https://www.amazon.co.uk/dp/B00KDIP7V6) [**Westland Fish Blood & Bone 8kg Bag**Westland**£10.03**4.7★**▲ 44%**](https://www.amazon.co.uk/dp/B0CL7SLCC9) [**PMB Westland Fish Blood and Bone All Purpose Plant Food 8 kg**PMB**£16.18**4.5★**▲ 26%**](https://www.amazon.co.uk/dp/B0CV4CKTR6) [**Grow Chem Fish Blood & Bone Fertiliser (5KG Bucket) Multi-Purpose Organic Fertiliser for Plants & Lawns Nutrient-Packed Plant Food and Soil Activator for Strong Healthy Produce Flowers & Lawns**Grow Chem**£14.33**4.6★**— 4%**](https://www.amazon.co.uk/dp/B09SY4215Z)
**~~View all trending →~~**
## **What buyers say about blood fish and bone fertiliser**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**39%
*“Good Value for Money”*
**Quality-Overall**20%
*“Excellent Feed – Really Noticeable Results”*
**Plant Growth**12%
*“Brilliant product easy to use helps your plants to grow stronger”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Ease Of Use**8%
*“Easy to use”*
**Size-Overall**3%
*“Good size and price”*
**Color**1%
*“Garden green”*
**Recycle/Reuse**1%
*“using to refresh old compost seems to be very good”*
**Moist/Dry**1%
*“Improved plants/ soil once watered well within a few days”*
**Spray/Flow**1%
*“Good for applying by spray to foliage, too”*
### **What buyers complain about **
**Smell**20%
*“it doesn't even smell like it supposed to”*
**Leak-Proof**13%
*“puncture on lid so leaking”*
**Value For Money**13%
*“Very expensive”*
**Size-Overall**12%
*“Will need a bigger size next time”*
**Quality-Overall**9%
*“which is very different from what I had before from a different brand”*
**Pest/Insect Control**7%
*“Doesn't work with ants”*
**Weight Heavy**7%
*“Heavy when delivered”*
**Functionality-Overall**7%
*“it doesnt work”*
**Advertised Vs Actual Product**2%
*“is that the photo representation is not accurate”*
### **Top return reasons **
**Leak-Proof**34%
**Size-Overall**20%
**Value For Money**10%
**Advertised Vs Actual Product**10%
**Defective Material/Parts**6%
**Pest/Insect Control**4%
**Functionality-Overall**4%
**Smell**4%
**Quality-Overall**4%
**Compatibility-Overall**4%
## **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.
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