---
title: "Reef Roids — $103K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/reef-roids"
last_updated: "2026-07-22T20:49:08.019Z"
locale: en
meta:
description: "Niche score 42/100 · $103K/yr market · 30K searches/yr · $25.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $103K/yr market · 30K searches/yr · $25.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Reef Roids — $103K/yr Amazon US Niche (2026) - Flapen"
---
# **reef roids**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 25Growth 18Conversion 96Competition 10Returns 98Price range 83Avg price 95Brand share 0Review moat 63Quality gap 24
**Returns**
**Incredible****0.5%**
return rate — above 6% kills the launch gate
**Conversion**
**Incredible****13.5%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$25.28**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.23–$43.37**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****984.67**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$103K**
$103K/yr · 30K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-14.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****88%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, reef roids is a $103K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **reef roids market data**
- **Units sold / yr**
- **4K–5K**
- avg 500–750/product
- **Revenue / yr**
- **$101K–$126K**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **13.5%**
- **Avg BSR**
- **#611**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **56%**
- **Out of stock**
- **1.9%**
- **Avg brand age**
- **83 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**14**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**0%**
- Polyp Lab77% - Polyplab14% - Red Sea5% - Weewooday3% - Bubble Magus3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -14.7% search growth over the last 90 days.
700500Spike '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/reef-roids/trend)
## **Top reef roids 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%15%$15K30%$31K45%$46K60%$62K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Polyp Lab Nano Reef-Roids Coral Food - 37g (Jar not Included)**Polyp Lab**$16.14**4.6★2,347 rev](https://www.amazon.com/dp/B009XTC4CG) [2**Polyp Lab - Reef-Roids- Coral Food for Faster Growing - 75g (Jar not Included)**Polyplab**$24.87**4.7★2,262 rev](https://www.amazon.com/dp/B001EHGDRM) [3**Polyplab - Professional Reef-Roids - Coral Food for Faster Growth - 150g**Polyp Lab**$39.95**4.8★977 rev](https://www.amazon.com/dp/B00R1MJ4PW) [4**Polyp Lab Polyplab Reef-Roids Polyp-Booster Spoon Jar Bundle Reefroids Coral Fish Food (37G reefroid + JAR + Spoon)**Polyp Lab**$19.16**4.6★36 rev](https://www.amazon.com/dp/B06XYDSPVZ) [5**Red Sea Reef Energy Plus 500ml (AB+) All in One Coral Food for Saltwater Aquarium Marine Reef Tanks | Food for Soft LPS SPS and Non-Photosynthetic Corals**Red Sea**$33.66**4.7★1,262 rev](https://www.amazon.com/dp/B087BCPVRT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AB+ Powder Copepods & Reef-Roids All-in-One Reef Food for Saltwater Marine Tanks | Ideal for Soft Corals LPS SPS NPS Non-Photosynthetic Corals & Anemones Also for Betta Fish.(SPS/LPS 20g)**Bubble Magus**$11.91**28 rev1y ago](https://www.amazon.com/dp/B0DJT5YZDQ) [**Polyp Lab Polyplab Reef-Roids Polyp-Booster Spoon Jar Bundle Reefroids Coral Fish Food (37G reefroid + JAR + Spoon)**Polyp Lab**$19.16**36 rev2y ago](https://www.amazon.com/dp/B06XYDSPVZ) [**Polyp Lab Polyplab Reef-Roids 150g Spoon Jar Bundle Reefroids Coral Fish Food**Polyp Lab**$43.37**10 rev2y ago](https://www.amazon.com/dp/B0774WQVLN) [**Weewooday 3 Pieces Axolotl Tank Accessories Extra Long Tweezers for Aquarium Coral Feeder Long Syringe Fish Feeding Tongs Tweezers for Reef Roids Aquatic Plant Spider Snake Lizard**Weewooday**$10.23**1,675 rev5y ago](https://www.amazon.com/dp/B08L6JHHGL) [**Red Sea Reef Energy Plus 500ml (AB+) All in One Coral Food for Saltwater Aquarium Marine Reef Tanks | Food for Soft LPS SPS and Non-Photosynthetic Corals**Red Sea**$33.66**1,262 rev6y ago](https://www.amazon.com/dp/B087BCPVRT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**AB+ Powder Copepods & Reef-Roids All-in-One Reef Food for Saltwater Marine Tanks | Ideal for Soft Corals LPS SPS NPS Non-Photosynthetic Corals & Anemones Also for Betta Fish.(SPS/LPS 20g)**Bubble Magus**$11.91**4.0★**▲ 78%**](https://www.amazon.com/dp/B0DJT5YZDQ) [**Weewooday 3 Pieces Axolotl Tank Accessories Extra Long Tweezers for Aquarium Coral Feeder Long Syringe Fish Feeding Tongs Tweezers for Reef Roids Aquatic Plant Spider Snake Lizard**Weewooday**$10.23**4.6★**▲ 17%**](https://www.amazon.com/dp/B08L6JHHGL) [**Polyp Lab Nano Reef-Roids Coral Food - 37g (Jar not Included)**Polyp Lab**$16.14**4.6★**▲ 10%**](https://www.amazon.com/dp/B009XTC4CG) [**Polyplab - Professional Reef-Roids - Coral Food for Faster Growth - 150g**Polyp Lab**$39.95**4.8★**— 9%**](https://www.amazon.com/dp/B00R1MJ4PW) [**Red Sea Reef Energy Plus 500ml (AB+) All in One Coral Food for Saltwater Aquarium Marine Reef Tanks | Food for Soft LPS SPS and Non-Photosynthetic Corals**Red Sea**$33.66**4.7★**— 4%**](https://www.amazon.com/dp/B087BCPVRT)
**~~View all trending →~~**
## **What buyers say about reef roids**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**38%
*“Great product”*
**Value For Money**31%
*“Great value”*
**Taste-Overall**13%
*“Good coral food”*
**Ease Of Cleaning**6%
*“Help with cleanup”*
**Strength**6%
*“Very sturdy and Im sure will last a long time”*
### **What buyers complain about **
**Size-Overall**31%
*“Too big for planting”*
**Grip**19%
*“Poor quality, no grip”*
**Contamination**13%
*“Caution”*
**Leak-Proof**13%
*“Leaking”*
**Quality-Overall**6%
*“Poor quality, no grip”*
**Smell**4%
*“The package smells rotten when opened”*
**Instructions/User Manual/Troubleshooting**4%
*“No instructions”*
**Advertised Vs Actual Product**4%
*“Website doesnt list product”*
### **Top return reasons **
**Size-Overall**29%
**Compatibility-Overall**17%
**Leak-Proof**14%
**Value For Money**11%
**Defective Material/Parts**9%
**Advertised Vs Actual Product**4%
**Quality-Overall**3%
**Sharpness**3%
**Product Condition**3%
**Residue**3%
## **Common questions**
- **Is reef roids profitable to sell on Amazon United States?**
- The niche generates $103K/yr across 9 tracked products. 90-day search growth is -14.7%. Flapen's verdict: Skip it (42/100).
- **How competitive is the reef roids niche?**
- 5 brands and 14 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in reef roids?**
- Top complaints mined from reviews: Size-Overall, Grip, Contamination. The return rate is 0.5%.
- **When does demand for reef roids peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the reef roids niche?**
- Listings span $10.23–$43.37; the average listing price is $25.28 (sweet spot $15–$100). The average incumbent carries 985 reviews — the moat a new listing must climb.
## **Related niches in Pet Supplies**
- 73 [**phosphate test kit**](https://flapen.com/research/us/pet-supplies/phosphate-test-kit)$194K/yr+152.5%**Worth a look**- 73 [**flea repellent for dogs**](https://flapen.com/research/us/pet-supplies/flea-repellent-for-dogs)$1.7M/yr+136.7%**Launch it**- 73 [**kitten bottles for nursing**](https://flapen.com/research/us/pet-supplies/kitten-bottles-for-nursing)$457K/yr+166.2%**Worth a look**- 73 [**dog stake**](https://flapen.com/research/us/pet-supplies/dog-stake)$573K/yr+55.9%**Worth a look**- 73 [**bully sticks**](https://flapen.com/research/us/pet-supplies/bully-sticks)$12.4M/yr-6.9%**Worth a look**- 73 [**pet oral tartar remover spray**](https://flapen.com/research/us/pet-supplies/pet-oral-tartar-remover-spray)$100K/yr>1,000%**Worth a look**[**All Pet Supplies niches **](https://flapen.com/research/us/pet-supplies)