---
title: "Sodium Bromide — $212K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/sodium-bromide"
last_updated: "2026-08-10T04:19:25.658Z"
locale: en
meta:
description: "Niche score 62/100 · $212K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 62/100 · $212K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Sodium Bromide — $212K/yr Amazon US Niche (2026) - Flapen"
---
# **sodium bromide**
**Worth a look**
Shows searches that convert (18.7% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 41Growth 52Conversion 99Competition 26Returns 98Price range 95Avg price 95Brand share 28Review moat 76Quality gap 82
**Conversion**
**Incredible****18.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$34.14**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$14.55–$93.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****481.31**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Good****+23.7%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$212K**
$212K/yr · 33K searches
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****70%**
top-5 click share — leaders hold, buyers still browse
According to Flapen's Amazon United States niche tracking, sodium bromide is a $212K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Sep. Verdict: Worth a look — 62/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sodium bromide market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$205K–$273K**
- units × avg price
- **Conversion rate**
- **18.7%**
- **Avg BSR**
- **#68**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **100%**
- **Out of stock**
- **6.3%**
- **Avg brand age**
- **80 months**
- **Avg seller age**
- **166 days**
## **Competition & brand share**
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▲rising
**Sellers**
**49**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**8%**
- SpaChoice32% - MAV AquaDoc30% - POOLACC11% - LEISURE TIME9% - CLOROX Pool&Spa6% - In The Swim4% - Open — no brand owns it (4 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +23.7% search growth over the last 90 days.
2K1KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/sodium-bromide/trend)
## **Top sodium bromide search terms**
- **sodium bromide for hot tub**10K/yr+32.2%15.2% conv. - **bromine booster for hot tub**7K/yr+41.8%20.1% conv. - **bromine booster**12K/yr+5.3%16.0% conv. - **bromine booster for spa hot tub**5K/yr+7.0%17.9% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/sodium-bromide/search-terms)
## **Top sodium bromide 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%$21K20%$42K30%$64K40%$85K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SpaChoice 1-Pound Premium Bromine Booster Sodium Bromide for Hot Tub Made in USA**SpaChoice**$19.27**4.3★466 rev](https://www.amazon.com/dp/B0CWWJ91TM) [2**AquaDoc Bromine Booster for Hot Tub and Spa - 16 oz - Sodium Bromide to Establish Bromide Reserve - Compatible with Bromine Tablets - Made in USA**MAV AquaDoc**$28.75**4.5★464 rev](https://www.amazon.com/dp/B0BWFX591K) [3**1.8LB Bromine Booster for Hot Tubs & Spas | Fast-Acting Sodium Bromide to Build Bromide Reserve | Compatible with Bromine Sanitizers | Bromine Tablets Companion | Reduce Chemical Use & Odor**POOLACC**$25.36**4.4★97 rev](https://www.amazon.com/dp/B0F7F4W3H7) [4**Leisure Time BE1 Sodium Bromide Spa Care Bromine Reserve for Spas and Hot Tubs 16 Ounces**LEISURE TIME**$20.26**4.2★1,058 rev](https://www.amazon.com/dp/B000NCOBL4) [5**Clorox Pool&Spa Spa Brominating Granules for Low Odor Sanitization Restores Water Clarity in Hot Tubs and Spas 2 lb (Pack of 1)**CLOROX Pool&Spa**$20.66**4.7★455 rev](https://www.amazon.com/dp/B0DDG3V78Z)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**HTH Spa 86240 Bromine Reserve for Spas & Hot Tubs 16oz**hth Spa**$14.55**1 rev6mo ago](https://www.amazon.com/dp/B0GGLZRP2Y) [**AquaDoc Bromine Tablets and Booster Bundle for Spa Hot Tubs - Includes 1.5lb Spa Tablets and 1lb Bromine Booster - Made in USA**MAV AquaDoc**$53.00**39 rev9mo ago](https://www.amazon.com/dp/B0FXMYXHG2) [**1.8LB Bromine Booster for Hot Tubs & Spas | Fast-Acting Sodium Bromide to Build Bromide Reserve | Compatible with Bromine Sanitizers | Bromine Tablets Companion | Reduce Chemical Use & Odor**POOLACC**$25.36**97 rev1y ago](https://www.amazon.com/dp/B0F7F4W3H7) [**Oh Yuk 5-in-1 Weekly Hot Tub Chemicals Hot tub Clarifier Cleaner Conditioner Helps Control Water Balance & Combat Buildup Spa Care Chemicals for All Types Including Inflatable & Portable**Oh Yuk**$24.75**329 rev1y ago](https://www.amazon.com/dp/B0F77LYS9Y) [**In The Swim Spa & Hot Tub Bromine Booster - 2 Pounds for Enhanced Sanitization and Water Clarity - 2 Pack**In The Swim**$47.05**137 rev1y ago](https://www.amazon.com/dp/B0DP5J123P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HTH Spa 86240 Bromine Reserve for Spas & Hot Tubs 16oz**hth Spa**$14.55**1.0★**▲ 257%**](https://www.amazon.com/dp/B0GGLZRP2Y) [**SpaChoice 1-Pound Premium Bromine Booster Sodium Bromide for Hot Tub Made in USA**SpaChoice**$19.27**4.3★**▲ 142%**](https://www.amazon.com/dp/B0CWWJ91TM) [**Canaxy Sodium Bromide - 4 lb C1012**Canaxy**$49.96**4.5★**▲ 116%**](https://www.amazon.com/dp/B0GFVXJ48J) [**In The Swim Spa & Hot Tub Bromine Booster - 2 Pounds for Enhanced Sanitization and Water Clarity - 2 Pack**In The Swim**$47.05**4.4★**▲ 87%**](https://www.amazon.com/dp/B0DP5J123P) [**Oh Yuk 5-in-1 Weekly Hot Tub Chemicals Hot tub Clarifier Cleaner Conditioner Helps Control Water Balance & Combat Buildup Spa Care Chemicals for All Types Including Inflatable & Portable**Oh Yuk**$24.75**4.3★**▲ 81%**](https://www.amazon.com/dp/B0F77LYS9Y)
**~~View all trending →~~**
## **What buyers say about sodium bromide**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Overall, this product combination is an excellent choice”*
**Value For Money**17%
*“Definitely worth the price”*
**Ease Of Use**13%
*“Easy to use”*
**Advertised Vs Actual Product**12%
*“does what it should”*
**Ease Of Cleaning**6%
*“Clean and clear”*
**Size-Overall**4%
*“The size is perfect for many uses if you use this all in one go you're either attempting to balance the Atlantic Ocean or you don't know what you're doing”*
**Smell**4%
*“Spa smells nice”*
**Adjustability/Rotatability/Reclining**3%
*“so I dont have to worry about constant adjustments”*
**Pureness**3%
*“The water has stayed clearer”*
**Locally Manufactured**2%
*“Good spa chemicals from a US company”*
### **What buyers complain about **
**Functionality-Overall**16%
*“did not give results as promised”*
**Size-Overall**11%
*“Does not fit frog”*
**Leak-Proof**11%
*“a couple of the items were leaking”*
**Smell**8%
*“chemical odors without being overly harsh on skin”*
**Contamination**8%
*“in the past it has not been easy at times to keep The chemicals in balance”*
**Instructions/User Manual/Troubleshooting**5%
*“Also zero guidelines”*
**Advertised Vs Actual Product**5%
*“The description says quickly - not finding that at all”*
**Value For Money**5%
*“Its a bit more expensive than some alternatives”*
**Product Condition**3%
*“Some of the products appear to be expired and look used”*
**Quality-Overall**2%
*“the test strips are junk”*
### **Top return reasons **
**Advertised Vs Actual Product**24%
**Leak-Proof**19%
**Size-Overall**12%
**Functionality-Overall**10%
**Hard Feel**7%
**Value For Money**4%
**Ease Of Use**3%
**Moist/Dry**3%
**Product Condition**3%
**Contamination**3%
## **Common questions**
- **Is sodium bromide profitable to sell on Amazon United States?**
- The niche generates $212K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +23.7%. Flapen's verdict: Worth a look (62/100).
- **How competitive is the sodium bromide niche?**
- 10 brands and 49 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in sodium bromide?**
- Top complaints mined from reviews: Functionality-Overall, Size-Overall, Leak-Proof. The return rate is 0.5%.
- **When does demand for sodium bromide peak?**
- Demand peaks in Sep; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the sodium bromide niche?**
- Listings span $14.55–$93.01; the average listing price is $34.14 (sweet spot $15–$100). The average incumbent carries 481 reviews — the moat a new listing must climb.
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