aquarium ammonia
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible15.8%search→purchase rate — share of searches ending in a sale
Returns
Great1.2%return rate — above 6% kills the launch gate
Avg price
Great$19.02avg listing price — sweet spot $15–$100
Price range
Great$6.87–$54.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,806.82avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$158K$158K/yr · 53K searches
Competition
Bad76%top-5 click share — a locked-up shelf
Growth
Bad-12.9%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, aquarium ammonia is a $158K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 45/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
aquarium ammonia market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- $114K–$152K
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 15.8%
- Avg BSR
- #335
- Page quality
- 0%
- Prime
- 82%
- Sponsored
- 18%
- Out of stock
- 0.0%
- Avg brand age
- 96 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
25
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
0%
- DrTim's Aquatics67%
- Fritz Aquatics19%
- MICROBE-LIFT6%
- Gingerbread Pet Supply5%
- API3%
- Open — no brand owns it (0%)
Demand
Weekly Amazon search volume, last 38 weeks — -12.9% search growth over the last 90 days.Top aquarium ammonia search terms
- dr tims ammonia21K/yr
- aquarium ammonia9K/yr
- ammonia for fish tank6K/yr
- dr tims ammonium chloride8K/yr
- fish tank ammonia4K/yr
- ammonia for fish tank cycling5K/yr
Top aquarium ammonia 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
DrTims Aquatics Ammonium Chloride Aquarium 100% Natural 8 Oz. (Dr Tims Aquatics Ammonium Chloride | Saltwater Freshwater and Reef Aquariums 100% Natural 8 Oz)
DrTim's Aquatics$16.874.6★2,082 rev
Fritz Fishless Fuel - Ammonia Source for Fishless Cycling (2 oz)
Fritz Aquatics$9.384.6★897 rev
Dr. Tims Aquatics Ammonium Chloride Aquarium Treatment for Fishless Cycling Chlorine Free Fish Tank Cleaner for Saltwater Freshwater Reef Aquariums 100% Natural 2 Oz.
DrTim's Aquatics$8.964.6★1,668 rev
Dr. Tims Aquatics Ammonium Chloride Aquarium Treatment for Fishless Cycling Chlorine Free Fish Tank Cleaner for Saltwater Freshwater Reef Aquariums 100% Natural 4 Oz.
DrTim's Aquatics$9.934.6★2,082 rev
Dr. Tim S Aquatics 022181 Ammonium Chloride Aquarium Treatment
DrTim's Aquatics$9.984.6★229 rev
Newest
by launch date
Gingerbread Pet Supply Ammonium Chloride for Fishless Aquarium Cycling - 4 oz
Gingerbread Pet Supply$11.0954 rev
DrTims Aquatics Ammonium Chloride Solution One and Only Live Nitrifying Bacteria Aquarium Cycle Start Up Bundle for Saltwater Reef Aquarium (4oz Ammonium + 8oz One Only for 120 Gallon Tank)
DrTim's Aquatics$54.186 rev
DrTims Aquatics Ammonium Chloride Solution and One & Only Live Nitrifying Bacteria Aquarium Cycle Start Up Bundle for Freshwater (2oz Ammonium + 4oz One Only for 60 Gallon Tank)
DrTim's Aquatics$45.185 rev
Fritz Fishless Fuel - Ammonia Source for Fishless Cycling (2 oz)
Fritz Aquatics$9.38897 rev
DrTims Aquatics Ammonium Chloride Aquarium 100% Natural 8 Oz. (Dr Tims Aquatics Ammonium Chloride | Saltwater Freshwater and Reef Aquariums 100% Natural 8 Oz)
DrTim's Aquatics$16.872,082 rev
Trending
90-day click momentum
MICROBE-LIFT Nite-Out II Aquarium Bacteria for Start-up Instantly Cycle Aquariums Add Fish on Day 1 Rapid Ammonia and Nitrite Reducer for Freshwater & Saltwater Fish Tank 8 Ounces (NITEH08)
MICROBE-LIFT$10.854.5★
Dr. Tims Aquatics Ammonium Chloride Aquarium Treatment for Fishless Cycling Chlorine Free Fish Tank Cleaner for Saltwater Freshwater Reef Aquariums 100% Natural 2 Oz.
DrTim's Aquatics$8.964.6★
DrTims Aquatics Ammonium Chloride Solution One and Only Live Nitrifying Bacteria Aquarium Cycle Start Up Bundle for Saltwater Reef Aquarium (4oz Ammonium + 8oz One Only for 120 Gallon Tank)
DrTim's Aquatics$54.184.8★
API AMMO-LOCK Freshwater and Saltwater Aquarium Ammonia Detoxifier 4-Ounce Bottle AMMO LOCK 4 OZ
API$6.874.6★
DrTims Aquatics Ammonium Chloride Aquarium 100% Natural 8 Oz. (Dr Tims Aquatics Ammonium Chloride | Saltwater Freshwater and Reef Aquariums 100% Natural 8 Oz)
DrTim's Aquatics$16.874.6★
What buyers say about aquarium ammonia
What buyers praise and complain about, mined from review topics.What buyers love
“Great product top of the line”
“Works as advertised”
“Works great you must follow directions”
“I bought it cause it was cheap”
“this is pure ammonium chloride”
“Great bio filter starter”
“Works perfectly and very easy to use with the dropper on the cap”
“Hope its still safe to use”
“its very strong”
“Good stuff for cycling aquariums”
What buyers complain about
“also directions are all screwed up”
“False advertising”
“No smell whatsoever”
“Garbage product”
“Did not work”
“Waste of money”
“its fine, my bacteria seems to be dead due to bad calculation on the rock and live sand displacement”
“Extremely weak”
“this is crucial to have especially if a filter stops working or the water suddenly becomes cloudy”
“So either I got a bad product”
Top return reasons
Common questions
- Is aquarium ammonia profitable to sell on Amazon United States?
- The niche generates $158K/yr across 11 tracked products. 90-day search growth is -12.9%. Flapen's verdict: Skip it (45/100).
- How competitive is the aquarium ammonia niche?
- 5 brands and 25 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in aquarium ammonia?
- Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Advertised Vs Actual Product, Smell. The return rate is 1.2%.
- What does it cost to enter the aquarium ammonia niche?
- Listings span $6.87–$54.18; the average listing price is $19.02 (sweet spot $15–$100). The average incumbent carries 1,807 reviews — the moat a new listing must climb.