can this be used to remove rust stain from a fiberglass swimming pool?

Works best on metal when it’s Hot out. Try CLR. Going to be tough if the stain was there long and it made it into the fiberglass. Good luck

Is this citrisurf 77 or citrisurf 77 plus? the picture shows citrisurf 77 plus but the title says citrisurf 77.

It is Citrisurf 77 Plus. I will personally address this title error now. Thank you!

How do I safely dispose of this?

Great question! Small quantities can be poured down the drain, best with some running water to dilute. Industrial disposal of large quantities would involve neutralizing the acid first. The product does not qualify as hazmat.

can this be used on brass bed?

I'm sorry, but this product is ideal for Stainless Steel, and we haven't tested it on brass.

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CitriSurf 77 Commercial Stainless Steel Passivation Cleaner (22oz Spray) | Made in USA

CitriSurf 77 Commercial Stainless Steel Passivation Cleaner (22oz Spray) | Made in USA

Product ID: 72713127

Details

Brand
Stellar
Item Form
Liquid
Material Feature
Natural
Scent
Natural
Specific Uses For Product
Bottle

🌿Natural citric acid, pH neutral & non-abrasive

⚙️Treats up to 90 sq ft per 22oz bottle

🛡️ASTM & NSF certified corrosion defense

€ 98.45

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Elevate your metal care game — because your surfaces deserve pro-level protection!

MULTI METAL MASTERY - Effectively passivates stainless steel, bronze, brass, chrome & aluminum surfaces.
ECO FRIENDLY FORMULA - Natural citric acid blend that's pH neutral and safe around food prep areas.
CERTIFIED COMPLIANT - Meets ASTM A967, A380, B600 & AMS 2700 standards for commercial & residential use.
PRECISION SPRAY APPLICATION - Mess-free trigger sprayer delivers targeted coverage for up to 90 sq ft.
INDUSTRIAL GRADE RUST SHIELD - Trusted by Tesla & aerospace pros for unbeatable stainless steel protection.

CitriSurf 77 is a commercial-grade, USA-made stainless steel passivation cleaner featuring a natural citric acid formula that eliminates rust-causing free iron. Certified to ASTM and NSF standards, it offers mess-free application with a trigger sprayer covering up to 90 sq ft. Widely trusted by industries including aerospace and automotive (Tesla recommended), it safely protects and extends the life of stainless steel and other metals in both commercial and residential settings.

Specifications

ASIN	B01CIRIK7C
ASIN	B01CIRIK7C
Best Sellers Rank	#53,500 in Automotive ( See Top 100 in Automotive ) #184 in Care Corrosion & Rust Inhibitors #1,808 in Oils & Fluids
Brand Name	Stellar Solutions
Contains Liquid Contents?	Yes
Customer Reviews	4.5 4.5 out of 5 stars (103)
Date First Available	March 3, 2016
Is Discontinued By Manufacturer	No
Item Form	Liquid
Item Volume	22 Fluid Ounces
Item Weight	1.65 Pounds
Item model number	77
Manufacturer	Stellar Solutions
Manufacturer	Stellar Solutions
Material Features	Natural
Model Number	77
Number of Items	1
Part Number	CMP12-0077
Product Dimensions	3.46 x 5.12 x 9.45 inches; 1.65 Pounds
Scent	Natural
Size	22 Fl Oz (Pack of 1)
Special Features	Non Abrasive, PH Neutral
Special Ingredients	Citric Acid
Specific Uses For Product	Bottle
Surface Recommendation	Stainless Steel
UPC	637459742436
Unit Count	22.0 Fluid Ounces

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