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title: "phosphoric acid rust remover — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen"
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  description: "phosphoric acid rust remover shows demand growing +516.3%, but a small market ($18K/yr) keeps it on the watch list."
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  "og:title": "phosphoric acid rust remover — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen"
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# **phosphoric acid rust remover**

**Worth a look****56/100 **

phosphoric acid rust remover shows demand growing +516.3%, but a small market ($18K/yr) keeps it on the watch list.

**Market/yr**

**$18K**

**Growth (1y)**

**+516.3%**

**Products**

**31**

**Brands**

**23**

was 11 a year ago

**Sellers**

**154**

**Price range**

**$8.80–$89.61**

**Returns**

**0.4%**

**Rating**

**4.5★**

**Worth a look**

Scored 56/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**1**

 ×0.30

Growth

**100**

 ×0.30

Competition

**59**

 ×0.20

Quality gap

**44**

 ×0.10

Returns

**96**

 ×0.10

## **Competition**

- Ospho23% - Evapo-Rust11% - CCS CONSOLIDATED CHEMICAL & SOLVENTS10% - Chemboys9% - Duda Energy9% - Rust-Oleum7% - Other (17 brands)30%

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them. 23 brands and 154 sellers compete here.

**Brands**

**23 **▲rising

was 11 a year ago

**Sellers**

**154**

**Top 5 brand share**

**62%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![Ospho 605 Metal Treatment 32 Fl Oz (Pack of 1)](https://m.media-amazon.com/images/I/41dIRUWU3rL.jpg) [**Ospho 605 Metal Treatment 32 Fl Oz (Pack of 1)**](https://www.amazon.com/dp/B000C02CDG)

Ospho$23.194.7★1,93812%▼falling

2
![Ospho Metal Treatment Gallon - Rust Converter for Metal Surfaces - Rust Remover for Cars Boats Trucks 1 Gallon](https://m.media-amazon.com/images/I/31ifFY5x9ML.jpg) [**Ospho Metal Treatment Gallon - Rust Converter for Metal Surfaces - Rust Remover for Cars Boats Trucks 1 Gallon**](https://www.amazon.com/dp/B00IDTGW84)

Ospho$36.494.6★1,42611%—flat

3
![Phosphoric Acid 85% - High Purity Industrial Grade - Premium Multi-Purpose Use for Cleaning Etching Rust Removal and More. (100mL)](https://m.media-amazon.com/images/I/31mATeptKcL.jpg) [**Phosphoric Acid 85% - High Purity Industrial Grade - Premium Multi-Purpose Use for Cleaning Etching Rust Removal and More. (100mL)**](https://www.amazon.com/dp/B08N597GKG)

CCS CONSOLIDATED CHEMICAL & SOLVENTS$15.974.5★13210%▲rising

4
![Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal](https://m.media-amazon.com/images/I/31QnoF1xQgL.jpg) [**Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal**](https://www.amazon.com/dp/B06Y1B82TG)

Duda Energy$32.754.8★2149%▲rising

5
![DIYChemicals Phosphoric Acid 85% Rust Remover Wood Stain Remover pH Control High Purity Orthophosphoric Acid for Metal Fertilizers - Made in USA - Half Gallon (64 fl oz)](https://m.media-amazon.com/images/I/31JCkcafvML.jpg) [**DIYChemicals Phosphoric Acid 85% Rust Remover Wood Stain Remover pH Control High Purity Orthophosphoric Acid for Metal Fertilizers - Made in USA - Half Gallon (64 fl oz)**](https://www.amazon.com/dp/B094Q78NL3)

Chemboys$50.354.5★739%—flat

6
![Evapo-Rust ER012 Heavy Duty 128 oz. Rust Remover for Auto Parts Hardware Antiques | Rust Removers and Chemicals](https://m.media-amazon.com/images/I/51Z-1jAX2kL.jpg) [**Evapo-Rust ER012 Heavy Duty 128 oz. Rust Remover for Auto Parts Hardware Antiques | Rust Removers and Chemicals**](https://www.amazon.com/dp/B00M0TLQ66)

Evapo-Rust$29.064.6★13,5686%▼falling

7
![CRC Evapo-Rust Heavy-Duty Rust Remover Reusable Acid-Free Non-Corrosive Water-based 32 oz Removes Rust to Bare Metal](https://m.media-amazon.com/images/I/51wuE+aA-lL.jpg) [**CRC Evapo-Rust Heavy-Duty Rust Remover Reusable Acid-Free Non-Corrosive Water-based 32 oz Removes Rust to Bare Metal**](https://www.amazon.com/dp/B00GRSOJSS)

Evapo-Rust$12.664.4★11,4675%▼falling

8
![Corroseal Rust Converter & Metal Primer Stops & Prevents Corrosion on Metal Pro-Grade Rust Inhibitor for Cars Trucks Trailers Marine & Industrial Equipment 1 Gallon](https://m.media-amazon.com/images/I/41bGUB55TAL.jpg) [**Corroseal Rust Converter & Metal Primer Stops & Prevents Corrosion on Metal Pro-Grade Rust Inhibitor for Cars Trucks Trailers Marine & Industrial Equipment 1 Gallon**](https://www.amazon.com/dp/B001CRETZW)

Corroseal$62.184.6★4,1924%▲rising

9
![jecudi Ospho Metal Treatment Gallon - Rust Converter for Metal Surfaces - Rust Remover for Cars Boats Trucks - Compatible with Most Vehicle Paints - Suitable for Indoor Use - Bonus Cleaning Towel](https://m.media-amazon.com/images/I/31s0NaOeveL.jpg) [**jecudi Ospho Metal Treatment Gallon - Rust Converter for Metal Surfaces - Rust Remover for Cars Boats Trucks - Compatible with Most Vehicle Paints - Suitable for Indoor Use - Bonus Cleaning Towel**](https://www.amazon.com/dp/B0CQKP9TFX)

jecudi$45.144.5★2883%▲rising

10

![BLACK STAR MRO Chem Rust Converter - Converts Rust on Any Steel Surface - 1 Gallon](https://m.media-amazon.com/images/I/31ssG4MdRRL.jpg) [**BLACK STAR MRO Chem Rust Converter - Converts Rust on Any Steel Surface - 1 Gallon**](https://www.amazon.com/dp/B01283DMGA)

BLACK STAR$89.614.4★5433%▲rising

11

![FDC Rust Converter Ultra Highly Effective Professional Grade Rust Repair Spray (1 Gallon)](https://m.media-amazon.com/images/I/41JATS09BvL.jpg) [**FDC Rust Converter Ultra Highly Effective Professional Grade Rust Repair Spray (1 Gallon)**](https://www.amazon.com/dp/B014LR5PA2)

FDC$64.544.4★3,1892%▲rising

12

![Rust-Oleum Rust Dissolver Trigger Spray Gel | Heavy-Duty Corrosion Remover for Metal Tools Cars Bikes Grills Bolts Firearms & More | 32 oz](https://m.media-amazon.com/images/I/41JVzypI1WL.jpg) [**Rust-Oleum Rust Dissolver Trigger Spray Gel | Heavy-Duty Corrosion Remover for Metal Tools Cars Bikes Grills Bolts Firearms & More | 32 oz**](https://www.amazon.com/dp/B07HSHZZ79)

Rust-Oleum$11.874.3★5,3752%▼falling

13

![Rust Kutter - Stops Rust and Converts Rust Spots to Leave A Primed Surface Ready to Paint Professional Rust Repair Manufactured in USA Sprayer Included](https://m.media-amazon.com/images/I/31H74B5F-3L.jpg) [**Rust Kutter - Stops Rust and Converts Rust Spots to Leave A Primed Surface Ready to Paint Professional Rust Repair Manufactured in USA Sprayer Included**](https://www.amazon.com/dp/B001U1KDDC)

Rust Kutter$22.644.4★2,3592%▼falling

14

![Phosphoric Acid 85% (32 Oz / 946 mL) 85% Phosphoric Acid Food Grade Technical Grade Liquid Rust Remover Metal Cleaner pH Adjuster DIY Applications](https://m.media-amazon.com/images/I/31WhPJ0z5PL.jpg) [**Phosphoric Acid 85% (32 Oz / 946 mL) 85% Phosphoric Acid Food Grade Technical Grade Liquid Rust Remover Metal Cleaner pH Adjuster DIY Applications**](https://www.amazon.com/dp/B0FHBZK1LB)

Talsen Chemicals$22.844.7★172%—flat

15

![Rust-Oleum Rust Dissolver Soak & Bath | Heavy-Duty Corrosion Remover for Metal Tools Cars Bikes Grills Bolts Firearms & More | Gallon](https://m.media-amazon.com/images/I/41NmkcT5dlL.jpg) [**Rust-Oleum Rust Dissolver Soak & Bath | Heavy-Duty Corrosion Remover for Metal Tools Cars Bikes Grills Bolts Firearms & More | Gallon**](https://www.amazon.com/dp/B08XYTPT7Z)

Rust-Oleum$33.504.1★532%—flat

**~~Showing 15 of 31 — show all ~~**

## **Product shelf**

All 31 tracked products in this niche.

Top sellersNewestTrending

[![Ospho 605 Metal Treatment 32 Fl Oz (Pack of 1)](https://m.media-amazon.com/images/I/41dIRUWU3rL.jpg)**Ospho 605 Metal Treatment 32 Fl Oz (Pack of 1)** Ospho**$23.19**4.7★1,938 reviews](https://www.amazon.com/dp/B000C02CDG) [![Ospho Metal Treatment Gallon - Rust Converter for Metal Surfaces - Rust Remover for Cars Boats Trucks 1 Gallon](https://m.media-amazon.com/images/I/31ifFY5x9ML.jpg)**Ospho Metal Treatment Gallon - Rust Converter for Metal Surfaces - Rust Remover for Cars Boats Trucks 1 Gallon** Ospho**$36.49**4.6★1,426 reviews](https://www.amazon.com/dp/B00IDTGW84) [![Phosphoric Acid 85% - High Purity Industrial Grade - Premium Multi-Purpose Use for Cleaning Etching Rust Removal and More. (100mL)](https://m.media-amazon.com/images/I/31mATeptKcL.jpg)**Phosphoric Acid 85% - High Purity Industrial Grade - Premium Multi-Purpose Use for Cleaning Etching Rust Removal and More. (100mL)** CCS CONSOLIDATED CHEMICAL & SOLVENTS**$15.97**4.5★132 reviews](https://www.amazon.com/dp/B08N597GKG) [![Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal](https://m.media-amazon.com/images/I/31QnoF1xQgL.jpg)**Duda Energy 1 Quart / 950ml 85% Food Grade Phosphoric Acid Rust Remover Clean Etch Metal** Duda Energy**$32.75**4.8★214 reviews](https://www.amazon.com/dp/B06Y1B82TG) [![DIYChemicals Phosphoric Acid 85% Rust Remover Wood Stain Remover pH Control High Purity Orthophosphoric Acid for Metal Fertilizers - Made in USA - Half Gallon (64 fl oz)](https://m.media-amazon.com/images/I/31JCkcafvML.jpg)**DIYChemicals Phosphoric Acid 85% Rust Remover Wood Stain Remover pH Control High Purity Orthophosphoric Acid for Metal Fertilizers - Made in USA - Half Gallon (64 fl oz)** Chemboys**$50.35**4.5★73 reviews](https://www.amazon.com/dp/B094Q78NL3) [![Evapo-Rust ER012 Heavy Duty 128 oz. Rust Remover for Auto Parts Hardware Antiques | Rust Removers and Chemicals](https://m.media-amazon.com/images/I/51Z-1jAX2kL.jpg)**Evapo-Rust ER012 Heavy Duty 128 oz. Rust Remover for Auto Parts Hardware Antiques | Rust Removers and Chemicals** Evapo-Rust**$29.06**4.6★13,568 reviews](https://www.amazon.com/dp/B00M0TLQ66) [![CRC Evapo-Rust Heavy-Duty Rust Remover Reusable Acid-Free Non-Corrosive Water-based 32 oz Removes Rust to Bare Metal](https://m.media-amazon.com/images/I/51wuE+aA-lL.jpg)**CRC Evapo-Rust Heavy-Duty Rust Remover Reusable Acid-Free Non-Corrosive Water-based 32 oz Removes Rust to Bare Metal** Evapo-Rust**$12.66**4.4★11,467 reviews](https://www.amazon.com/dp/B00GRSOJSS) [![Corroseal Rust Converter & Metal Primer Stops & Prevents Corrosion on Metal Pro-Grade Rust Inhibitor for Cars Trucks Trailers Marine & Industrial Equipment 1 Gallon](https://m.media-amazon.com/images/I/41bGUB55TAL.jpg)**Corroseal Rust Converter & Metal Primer Stops & Prevents Corrosion on Metal Pro-Grade Rust Inhibitor for Cars Trucks Trailers Marine & Industrial Equipment 1 Gallon** Corroseal**$62.18**4.6★4,192 reviews](https://www.amazon.com/dp/B001CRETZW)

## **Reviews**

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

### **What buyers love **

**Rusts/Corrodes**25%

*“Did a great job removing rust”*

**Quality-Overall**14%

*“This product was perfect for my needs”*

**Efficiency**11%

*“Performed well”*

**Advertised Vs Actual Product**8%

*“Just like advertised”*

**Ease Of Use**6%

*“Easy to work with”*

**Value For Money**6%

*“Worth the money”*

**Ease Of Cleaning**3%

*“Easy to use and clean up”*

**Paint Quality**3%

*“Well needed good paint overall”*

**Durability**2%

*“Very durable”*

**Recycle/Reuse**1%

*“And I love that it's reusable”*

### **What buyers complain about **

**Rusts/Corrodes**32%

*“looks rusty”*

**Functionality-Overall**11%

*“DOESNT WORK”*

**Paint Quality**3%

*“or of this is a black paint that will chip off”*

**Size-Overall**3%

*“Small Bottle & Ineffective”*

**Leak-Proof**3%

*“Leaked out”*

**Value For Money**3%

*“for what I paid it's insane”*

**Advertised Vs Actual Product**2%

*“It doesnt work as it was described”*

**Ease Of Cleaning**2%

*“is so hard to clean”*

**Color**2%

*“It's dark gray”*

**Quality-Overall**2%

*“Garbage”*

#### **Top return reasons**- Rusts/Corrodes21% - Functionality-Overall15% - Leak-Proof14% - Size-Overall11% - Advertised Vs Actual Product10% - Value For Money6% - Paint Quality3% - Defective Material/Parts3% - Color2% - Wet Cleaning2%