Sudbury Fiberglass Stain Lifter 16 oz offers a brush-applied gel format for stained fiberglass. Its documented tasks include waterline, rust, growth-related discoloration and exhaust marks. Identify the mark and coating before choosing the treatment area.

A fiberglass stain lifting gel allows you to work on selected sections rather than treating every surface as part of a general wash. The non-abrasive description refers to the formula; it does not remove the need to choose a suitable applicator or confirm compatibility with repairs and coatings.

Allow for the complete application process when planning the job. The published method includes wetting, gel treatment, brushing and thorough rinsing. Keep the container available so treatment time and repeat applications follow the correct product directions.

This listing is Sudbury Fiberglass Stain Lifter – Pint / 16 fl oz, store SKU 65200. Use the exact package identity when comparing products, requesting documentation or planning quantity. Review current purchase information above and ask about any uncertain finish before ordering.

Clear Product Details

Review the 16 oz gel format, specifications and application directions.

Surface Guidance

Check fiberglass, gelcoat and finish suitability before use.

Product Support

Ask about your surface and stain type before ordering.

Shipping & Returns

Review shipping information and return conditions before purchase.

BRUSH-APPLIED GEL

Brush-Applied Gel for Fiberglass Staining

Use these checks when selecting Sudbury Fiberglass Stain Lifter 16 oz. Match the task, finish, application process and package to the project rather than choosing from the product name alone.

Compare Stain-Lifting Gel and Trigger Spray

This pint-size Fiberglass Stain Lifter is a brush- or sponge-applied gel. Compare it with the 815Q trigger cleaner when considering how to treat the stained area. The difference in application matters more than assuming one format automatically works faster. View Trigger-Spray Hull Cleaner

Compare Sudbury Stain Lifter with a trigger-spray hull cleaner by application method and finish compatibility. Neither the words gel nor spray establish the right choice without checking the treatment and rinsing requirements.

Compare Fiberglass Stain-Cleaning Formats

Review the trigger-spray alternative, browse other hull products or ask about your finish.

Related Products

What Customers Say

Frequently Asked Questions

Which exact product and package is this listing for?
This listing is Sudbury Fiberglass Stain Lifter – Pint / 16 fl oz, store SKU 65200. The listed part number is 846P.
Does non-abrasive mean no brushing?
No. The manufacturer’s directions include brushing after the treatment period.
How long does the gel remain on the surface?
The official 846 family directions specify five to ten minutes before brushing and rinsing. Check the supplied 846P label before use.
Is this a spray cleaner?
This listing is for stain-lifting gel applied with a brush or sponge, not a trigger-spray cleaner.
How should I choose quantity for my boat?
Use the actual treatment area and the current product directions. No guaranteed coverage by boat length is supplied here.
Where can I compare another package or treatment?
Use the selection-card links to compare the exact product, review the cleaning category or ask Mariners Warehouse about the surface and task.

Recently Viewed Products

Need Help?

 Need Help Choosing the Right Marine Cleaning Product? 

Need help selecting Sudbury Fiberglass Stain Lifter – Pint / 16 fl oz? Share the surface, finish and cleaning concern, and reference SKU 65200 and MPN 846P so your question concerns the correct listing.

Trusted by 50,000+ boat owners across the USA

A man wearing a navy blue polo shirt with a circular logo sits at a desk holding a metal engine component, with a laptop in front of him and a boat propeller on the table. A dark blue informational overlay on the right lists benefits like 'Talk to an Expert' and 'Find the Right Part'.
  • Expert Marine Support

    Our team has years of experience in marine parts.

  • Fast Response

    We respond quickly to get you the help you need.

  • Find Compatible Parts

    We make sure you get the right part the first time.

  • Huge Selection

    Access to 50,000+ marine parts & accessories.

Have a Part Number or Engine Model?

Send it to us and our experts will help you find the exact part you need.