---
title: "f9 barc — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/f9-barc"
last_updated: "2026-07-09T21:45:14.624Z"
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meta:
  description: "a concentrated shelf (top 5 take 84% of clicks) — f9 barc doesn't clear our bar today."
  "og:description": "a concentrated shelf (top 5 take 84% of clicks) — f9 barc doesn't clear our bar today."
  "og:title": "f9 barc — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen"
---

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# **f9 barc**

**Skip it****43/100 **

a concentrated shelf (top 5 take 84% of clicks) — f9 barc doesn't clear our bar today.

**Market/yr**

**$559K**

**Growth (1y)**

**+80.7%**

**Products**

**9**

**Brands**

**6**

was 5 a year ago

**Sellers**

**73**

**Price range**

**$20.63–$212.59**

**Returns**

**0.4%**

**Rating**

**4.3★**

**Skip it**

Scored 43/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**26**

 ×0.30

Growth

**59**

 ×0.30

Competition

**9**

 ×0.20

Quality gap

**58**

 ×0.10

Returns

**96**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 96 weeks — +80.7% year over year.

2K790Spike '25Spike '26Sep '24Dec '24Apr '25Aug '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 5.3×

## **Competition**

- Duuous41% - Front 9 Restoration26% - Generic14% - IRON OUT7% - CLR7% - Singerman Laboratories4% - Other0%

The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack. 6 brands and 73 sellers compete here.

**Brands**

**6 **▲rising

was 5 a year ago

**Sellers**

**73**

**Top 5 brand share**

**96%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![Generic Front 9 BARC Concrete Rust Remover 1 Gallon](https://m.media-amazon.com/images/I/31AYbzAdlZL.jpg) [**Generic Front 9 BARC Concrete Rust Remover 1 Gallon**](https://www.amazon.com/dp/B0D3VPKHWL)

Duuous$61.574.2★11941%▼falling

2
![Front 9 Restoration F9 BARC Concrete Rust Remover 1 Gallon](https://m.media-amazon.com/images/I/51JgvxjubFL.jpg) [**Front 9 Restoration F9 BARC Concrete Rust Remover 1 Gallon**](https://www.amazon.com/dp/B0G27BYFQ3)

Front 9 Restoration$52.534.2★2722%▲rising

3
![Iron OUT Liquid Rust Stain Remover Pre-mixed Quickly Removes Rust Stains from Concrete Vinyl and Other Outdoor Surfaces No Scrubbing Safe to Use Made in the USA 1 Gallon](https://m.media-amazon.com/images/I/41h5FCKRK1L.jpg) [**Iron OUT Liquid Rust Stain Remover Pre-mixed Quickly Removes Rust Stains from Concrete Vinyl and Other Outdoor Surfaces No Scrubbing Safe to Use Made in the USA 1 Gallon**](https://www.amazon.com/dp/B0049PJR1U)

IRON OUT$20.634.2★3,0917%▲rising

4
![CLR Pro Calcium Lime & Rust Remove - 1 Gallon](https://m.media-amazon.com/images/I/41Geuq2UPPL.jpg) [**CLR Pro Calcium Lime & Rust Remove - 1 Gallon**](https://www.amazon.com/dp/B000SKX0N6)

CLR$24.864.6★9,4087%▲rising

5
![F9 BARC Concrete Rust Remover (1)](https://m.media-amazon.com/images/I/41Hnli6YnjL.jpg) [**F9 BARC Concrete Rust Remover (1)**](https://www.amazon.com/dp/B0C9MZCLBZ)

Generic$70.304.4★697%▼falling

6
![Front 9 BARC Rust Remover 1 Case - 4 Gallons -Removes Orange Battery Acid Burn and Fertilizer Stains- Biodegradable Non-Abrasive Non-Flammable- Safe for Bricks Concrete Pavers Tile & Asphalt](https://m.media-amazon.com/images/I/41qus8ETXPL.jpg) [**Front 9 BARC Rust Remover 1 Case - 4 Gallons -Removes Orange Battery Acid Burn and Fertilizer Stains- Biodegradable Non-Abrasive Non-Flammable- Safe for Bricks Concrete Pavers Tile & Asphalt**](https://www.amazon.com/dp/B0DBJB84ZV)

Generic$210.984.7★75%—flat

7
![Front 9 Restoration F9 Efflorescence Hard Water Stains and Calcium Remover - Perfect for Mud and Copper Stains and Concrete Coating Prep - 1 Gallon](https://m.media-amazon.com/images/I/41WfRdDJq0L.jpg) [**Front 9 Restoration F9 Efflorescence Hard Water Stains and Calcium Remover - Perfect for Mud and Copper Stains and Concrete Coating Prep - 1 Gallon**](https://www.amazon.com/dp/B0DFD2ZYBL)

Front 9 Restoration$60.223.9★545%▼falling

8
![Singerman Laboratories Rust Remover for Concrete (22 oz makes one gallon)](https://m.media-amazon.com/images/I/31qkcgaz-qL.jpg) [**Singerman Laboratories Rust Remover for Concrete (22 oz makes one gallon)**](https://www.amazon.com/dp/B07HR1N52K)

Singerman Laboratories$39.654.3★2,5454%▼falling

9
![F9 BARC Concrete Rust Remover (4)](https://m.media-amazon.com/images/I/51j-43waV+L.jpg) [**F9 BARC Concrete Rust Remover (4)**](https://www.amazon.com/dp/B0C9N4T2N4)

Generic$212.594.4★693%▼falling

## **Product shelf**

All 9 tracked products in this niche.

Top sellersNewestTrending

[![Generic Front 9 BARC Concrete Rust Remover 1 Gallon](https://m.media-amazon.com/images/I/31AYbzAdlZL.jpg)**Generic Front 9 BARC Concrete Rust Remover 1 Gallon** Duuous**$61.57**4.2★119 reviews](https://www.amazon.com/dp/B0D3VPKHWL) [![Front 9 Restoration F9 BARC Concrete Rust Remover 1 Gallon](https://m.media-amazon.com/images/I/51JgvxjubFL.jpg)**Front 9 Restoration F9 BARC Concrete Rust Remover 1 Gallon** Front 9 Restoration**$52.53**4.2★27 reviews](https://www.amazon.com/dp/B0G27BYFQ3) [![Iron OUT Liquid Rust Stain Remover Pre-mixed Quickly Removes Rust Stains from Concrete Vinyl and Other Outdoor Surfaces No Scrubbing Safe to Use Made in the USA 1 Gallon](https://m.media-amazon.com/images/I/41h5FCKRK1L.jpg)**Iron OUT Liquid Rust Stain Remover Pre-mixed Quickly Removes Rust Stains from Concrete Vinyl and Other Outdoor Surfaces No Scrubbing Safe to Use Made in the USA 1 Gallon** IRON OUT**$20.63**4.2★3,091 reviews](https://www.amazon.com/dp/B0049PJR1U) [![CLR Pro Calcium Lime & Rust Remove - 1 Gallon](https://m.media-amazon.com/images/I/41Geuq2UPPL.jpg)**CLR Pro Calcium Lime & Rust Remove - 1 Gallon** CLR**$24.86**4.6★9,408 reviews](https://www.amazon.com/dp/B000SKX0N6) [![F9 BARC Concrete Rust Remover (1)](https://m.media-amazon.com/images/I/41Hnli6YnjL.jpg)**F9 BARC Concrete Rust Remover (1)** Generic**$70.30**4.4★69 reviews](https://www.amazon.com/dp/B0C9MZCLBZ) [![Front 9 BARC Rust Remover 1 Case - 4 Gallons -Removes Orange Battery Acid Burn and Fertilizer Stains- Biodegradable Non-Abrasive Non-Flammable- Safe for Bricks Concrete Pavers Tile & Asphalt](https://m.media-amazon.com/images/I/41qus8ETXPL.jpg)**Front 9 BARC Rust Remover 1 Case - 4 Gallons -Removes Orange Battery Acid Burn and Fertilizer Stains- Biodegradable Non-Abrasive Non-Flammable- Safe for Bricks Concrete Pavers Tile & Asphalt** Generic**$210.98**4.7★7 reviews](https://www.amazon.com/dp/B0DBJB84ZV) [![Front 9 Restoration F9 Efflorescence Hard Water Stains and Calcium Remover - Perfect for Mud and Copper Stains and Concrete Coating Prep - 1 Gallon](https://m.media-amazon.com/images/I/41WfRdDJq0L.jpg)**Front 9 Restoration F9 Efflorescence Hard Water Stains and Calcium Remover - Perfect for Mud and Copper Stains and Concrete Coating Prep - 1 Gallon** Front 9 Restoration**$60.22**3.9★54 reviews](https://www.amazon.com/dp/B0DFD2ZYBL) [![Singerman Laboratories Rust Remover for Concrete (22 oz makes one gallon)](https://m.media-amazon.com/images/I/31qkcgaz-qL.jpg)**Singerman Laboratories Rust Remover for Concrete (22 oz makes one gallon)** Singerman Laboratories**$39.65**4.3★2,545 reviews](https://www.amazon.com/dp/B07HR1N52K)

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**20%

*“Normally I have great reviews”*

**Efficiency**20%

*“Works perfectly”*

**Ease Of Cleaning**8%

*“Cleans really well”*

**Rusts/Corrodes**8%

*“it cleared up old rust stains”*

**Advertised Vs Actual Product**7%

*“Works as advertised”*

**Value For Money**5%

*“Less expensive”*

**Functionality-Overall**3%

*“Will work for what I need it for”*

**Product Condition**3%

*“My house is fairly new”*

**Ease Of Use**2%

*“Easy to use”*

**Instructions/User Manual/Troubleshooting**2%

*“Just followed the directions”*

### **What buyers complain about **

**Rusts/Corrodes**24%

*“Said pipes must be rusted. house is over 70 years old”*

**Stain Resistance**20%

*“The stains did not go away”*

**Functionality-Overall**14%

*“Not as effective”*

**Value For Money**7%

*“Expensive”*

**Ease Of Cleaning**4%

*“is so hard to clean”*

**Advertised Vs Actual Product**4%

*“it does nothing that it describes”*

**Quality-Overall**3%

*“Disappointed in the performance”*

**Color Fading/Discoloration**1%

*“Brushing the product made the discoloration worse”*

**Solubility**1%

*“my problem was I couldnt get it to mix up”*

**Natural Resource Wastage**1%

*“Total waste of money”*

#### **Top return reasons**- Rusts/Corrodes28% - Functionality-Overall12% - Leak-Proof11% - Size-Overall7% - Advertised Vs Actual Product7% - Stain Resistance6% - Value For Money5% - Compatibility-Overall4% - Cleaning Modes4% - Smell4%