reef roids
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 6% kills the launch gate
Conversion
Incredible13.5%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$25.28avg listing price — sweet spot $15–$100
Price range
Great$10.23–$43.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good984.67avg incumbent reviews — the moat a new listing must climb
Market size
Okay$103K$103K/yr · 30K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-14.7%90-day search growth — must beat 0% to launch
Competition
Bad88%top-5 click share — a locked-up shelf
Brand share
Bad100%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
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.No pronounced peak months · busiest ÷ quietest = 1.3×
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.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Polyp Lab Nano Reef-Roids Coral Food - 37g (Jar not Included)
Polyp Lab$16.144.6★2,347 rev
Polyp Lab - Reef-Roids- Coral Food for Faster Growing - 75g (Jar not Included)
Polyplab$24.874.7★2,262 rev
Polyplab - Professional Reef-Roids - Coral Food for Faster Growth - 150g
Polyp Lab$39.954.8★977 rev
Polyp Lab Polyplab Reef-Roids Polyp-Booster Spoon Jar Bundle Reefroids Coral Fish Food (37G reefroid + JAR + Spoon)
Polyp Lab$19.164.6★36 rev
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$33.664.7★1,262 rev
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$11.9128 rev
Polyp Lab Polyplab Reef-Roids Polyp-Booster Spoon Jar Bundle Reefroids Coral Fish Food (37G reefroid + JAR + Spoon)
Polyp Lab$19.1636 rev
Polyp Lab Polyplab Reef-Roids 150g Spoon Jar Bundle Reefroids Coral Fish Food
Polyp Lab$43.3710 rev
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$10.231,675 rev
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$33.661,262 rev
Trending
90-day click momentumAB+ 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$11.914.0★
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$10.234.6★
Polyp Lab Nano Reef-Roids Coral Food - 37g (Jar not Included)
Polyp Lab$16.144.6★
Polyplab - Professional Reef-Roids - Coral Food for Faster Growth - 150g
Polyp Lab$39.954.8★
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$33.664.7★
What buyers say about reef roids
What buyers praise and complain about, mined from review topics.What buyers love
“Great product”
“Great value”
“Good coral food”
“Help with cleanup”
“Very sturdy and Im sure will last a long time”
What buyers complain about
“Too big for planting”
“Poor quality, no grip”
“Caution”
“Leaking”
“Poor quality, no grip”
“The package smells rotten when opened”
“No instructions”
“Website doesnt list product”
Top return reasons
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.