plumbing solder
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$22.50avg listing price — sweet spot $15–$100
Conversion
Great10.1%search→purchase rate — share of searches ending in a sale
Returns
Great1.6%return rate — above 5% kills the launch gate
Review moat
Great403.73avg incumbent reviews — the moat a new listing must climb
Price range
Great$5.54–$46.92cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Market size
Okay$131K$131K/yr · 57K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-30.3%90-day search growth — must beat 0% to launch
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, plumbing solder is a $131K/yr Amazon United States market (57K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Jan. Verdict: Skip it — 44/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
plumbing solder market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $90K–$113K
- units × avg price
- Conversion rate
- 10.1%
- Avg BSR
- #290
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 68%
- Out of stock
- 4.8%
- Avg brand age
- 68 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
8 falling
Sellers
81
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
64%
Top 20: 98%
Open market
2%
- Oatey43%
- AIM34%
- Essmetuin13%
- Dorman3%
- ComStar3%
- Keymarx1%
- Open — no brand owns it (2 brands, 2%)
Demand & seasonality
Weekly Amazon search volume, last 78 weeks — -30.3% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.6×
Top plumbing solder search terms
- plumbing solder30K/yr
- copper pipe solder13K/yr
- solder for copper pipe6K/yr
- solder plumbing3K/yr
- oatey solder3K/yr
- pipe solder3K/yr
Top plumbing solder 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Oatey 29024 Safe Flo 0.117-Inch ga. Bulk Silver 1/2 lb.
Oatey$27.074.6★350 rev
AIM Plumbing Solder Kit with solder wire flux and brush Solder for Plumbing Repairs (113g / 4oz)
AIM$20.154.7★529 rev
Essmetuin Lead Free Solder Wire(Sn99.3Cu0.7) For Plumbing Solder/Stained Glass/Crafts/Jewelry 217 Melting Point 2.0MM No Flux ROHS (3.2oz)
Essmetuin$17.974.6★306 rev
Oatay Plumbing Solder Kit 1/4 lb solder and 1.7 oz flux
Oatey$25.264.8★372 rev
AIM Lead-Free Plumbing Solder Silver Bearing 0.125inch dia 1/4 Lb Spool
AIM$17.514.7★891 rev
Newest
by launch date
50ml Copper Soldering Kit No Heat Liquid Solder for Copper Pipe w/Precision Nozzle Instant Leak Repair Plumbing Solder for Copper&Brass Up to 500 PSI -60F to +300F Bonding Solution for Pipe&HVAC
HappyAlley$13.012 rev
AIM Econosol 97/3 Lead-Free 0.125inch Solid Solder Wire for Plumbing Repairs (454g / 16oz)
AIM$34.0622 rev
AIM Plumbing Solder Kit with solder wire flux and brush Solder for Plumbing Repairs (113g / 4oz)
AIM$20.15529 rev
Essmetuin Lead Free Solder Wire(Sn99.3Cu0.7) For Plumbing Solder/Stained Glass/Crafts/Jewelry 217 Melting Point 2.0MM No Flux ROHS (3.2oz)
Essmetuin$17.97306 rev
AIM Lead-Free Plumbing Solder Silver Bearing 0.125inch dia 1/4 Lb Spool
AIM$17.51891 rev
Trending
90-day click momentum50ml Copper Soldering Kit No Heat Liquid Solder for Copper Pipe w/Precision Nozzle Instant Leak Repair Plumbing Solder for Copper&Brass Up to 500 PSI -60F to +300F Bonding Solution for Pipe&HVAC
HappyAlley$13.014.5★
2 oz Liquid Solder for Copper & Brass No Heat Plumbing Soldering Kit Instant Leak Seal up to 500 PSI Safe from -60F to +300F Ideal for Plumbing & HVAC Repairs
Keymarx$12.964.0★
AIM Lead-Free Plumbing Solder Silver Bearing 0.125inch dia 1/2 Lb Spool
AIM$24.674.7★
ComStar Copper Lock 10 ml No-Heat Liquid Solder Pipe & Coupling Solder
ComStar$13.684.2★
OATEY 50193 Acid Core Wire Solder 0.5 Lb. Carded Solid Silver Gray
Oatey$20.544.5★
What buyers say about plumbing solder
What buyers praise and complain about, mined from review topics.What buyers love
“Worth the price”
“As advertised”
“Good Kit with Everything You Need”
“works well”
“Soldering Flux Paste allows the solder to flow easily”
“Its ideal for emergency copper pipe leak fix, it replaces traditional torch soldering and allows safe application without heat or flame, making urgent plumbing repairs faster, cleaner, and more accessible for DIY users and professionals”
“its holding up great”
“Easy to use, versatility, durability,”
“But Im sure its excellent fir the purpose it was made for”
“Very easy to use”
What buyers complain about
“Did not work”
“started to leak again”
“Garbage”
“It is more expensive”
“worked great, just not thick enough”
“I just cannot get it to stick to my copper tape”
“I bought this because it said it would work for pin holes. It does not.”
“Only held for about an hour”
“so much waste”
“hard to control”
Top return reasons
Common questions
- Is plumbing solder profitable to sell on Amazon United States?
- The niche generates $131K/yr across 22 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -30.3%. Flapen's verdict: Skip it (44/100).
- How competitive is the plumbing solder niche?
- 8 brands and 81 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in plumbing solder?
- Top complaints mined from reviews: Functionality-Overall, Leak-Proof, Quality-Overall. The return rate is 1.6%.
- When does demand for plumbing solder peak?
- Demand peaks in Jan; the busiest month runs 1.6× the quietest.
- What does it cost to enter the plumbing solder niche?
- Listings span $5.54–$46.92; the average listing price is $22.50 (sweet spot $15–$100). The average incumbent carries 404 reviews — the moat a new listing must climb.