7698

Thinners & Solvents

      Product Listing

      • Interlux Special Marine Paint Thinner
        $25.99
        $21.49

        Interlux 216 Special Thinner (Quart) - For Brush or Spray Interlux 216 Special Thinner is a fast evaporating solvent which when added to specified paint coatings improves drying in cold climates, and facilitates spray application. 216 Thinner is also...

        Add to Cart
      • Pettit 120 Brushing Thinner - Quart
        $33.49
        $29.99

        Pettit 120 Brushing Thinner Pettit 120 Brushing Thinner is a general purpose thinner for thinning brushing enamels for easier application. Many paints when stored for some time before use will increase in viscosity and should be thinned with a good...

        Add to Cart
      • Interlux Marine Paint Reducing Solvent
        $42.99
        $35.49

        Interlux 2333N Marine Paint Reducing Solvent Interlux 2333N Reducing Solvent is a slow evaporating solvent to be used in specific two-part polyurethane and epoxy products. Refer to the specific product directions for the amount to be used. Sold in...

        Add to Cart
      • Interlux Marine Brushing Thinner
        $29.49
        $24.49

        Interlux 333Q Marine Brushing Thinner Interlux Brushing Thinner is a slow drying solvent to ease brushing and facilitate the flow of specified paint coatings.  Slow Drying Solvent Used to Ease Brushing and Facilitate the flow of...

        Add to Cart
      • Interlux Fiberglass Solvent Boat Wash
        $29.49
        $24.49

        Interlux 202Q Fiberglass Solvent Boat Wash and Wax Remover 202 Fiberglass Solvent Wash is a combination of several solvents, some of which are very slow to evaporate from the surface of gel coat being wiped. This characteristic is very important because...

        Add to Cart
      • Interlux Reducing Solvent
        $27.99
        $22.99

        Interlux 2316 Reducing Solvent - Spray Applications Reducing Solvent 2316N is a fast evaporating solvent to be used in specific two-part polyurethane and epoxy products. Refer to the specific product directions for the amount of Interlux Reducing...

        Add to Cart
      •  Interlux Brush Ease 433 Marine Paint Thinner
        $26.99
        $24.49

        Interlux Brush Ease 433 Marine Paint Thinner Interlux Brush-Ease 433 is a slow drying solvent to ease brushing and rolling and to improve flow. Interlux Brush-Ease 433 should only be used in products where it is specified in the directions, mostly...

        Add to Cart
      • Pettit Epoxy Marine Thinner
        $44.99
        $40.49

        Pettit Epoxy Marine Thinner Pettit 97 Epoxy Thinner is a strong, fairly fast evaporating thinner that allows two-part epoxies to flow out smoothly and yet flashes out fast enough to prevent sags. Use about 10% when necessary. Recommended Use: Add about...

        Add to Cart
      • Sea Hawk Wax N Grease Killer
        $17.81
        $15.49

        Sea Hawk S-80 Wax N Grease Killer Sea Hawk Wax N Grease Killer helps remove the wax that is left behind when a new fiberglass hull is released from its mold. To obtain proper adhesion of paint, this wax must be removed. The solvent based Wax N Grease...

        Choose Options
      • Pettit EZ Strip 125
        $46.99
        $42.49

        Pettit EZ Strip 125 The Pettit EZ Strip is a powerful chemical stripper that is safe for gelcoats while still being effective against many marine coatings. Able to work on horizontal and vertical surfaces without the worry of dripping or sagging thanks...

        Choose Options
      • Sea Hawk De-Waxing Etch & Cleaner
        $82.49
        $61.99

        Sea Hawk S-90 De-Waxing Etch & Cleaner The Sea Hawk S-90 De-Waxing Etch & Cleaner is a water-based de-wax etch and cleaner. Made in a concentrated formula that provides deep penetrating and lifting action for removal of tough surface...

        Add to Cart

      What Are Marine Thinners and Solvents?

      Marine thinners and solvents are specialty products formulated to work with marine paints,varnishes, and primers. They are used to adjust paint consistency, clean surfaces before coatings, and remove uncured paint during cleanup.

      Unlike household solvents, marine-grade products are designed to match specific coating systems and manufacturer requirements, helping prevent application issues or finish failure.

      Common uses for Thinners & Solvents

      Marine thinners and solvents are used throughout the painting process:

      • Thinning paint to achieve proper flow and leveling
      • Cleaning surfaces prior to painting
      • removing wax, grease, and contaminants
      • Cleaning brushes, rollers, and spray equipment
      • Assisting with paint removal during prep work

      For a full overview of where these products fit into the process, see our How to Paint a Boat article.

      Matching Thinners to Your Paint System

      Not all thinners are interchangeable. Using the wrong product can negatively affect adhesion, gloss, or curing.

      • Topside Boat Paint often requires specific reducers to achieve proper flow and finish
      • Marine Primers may need dedicated solvents for thinning and surface prep
      • Marine Varnish typically uses manufacturer-approved thinners to maintain clarity and gloss

      Always follow the paint manufacturer's recommendations to ensure compatibility and performance.

      Surface Preparation and Cleanup

      Proper surface prep is essential before applying any coating:

      • Use appropriate solvents to remove wax, grease, and residue
      • Ensure surfaces are fully dry before painting
      • Clean tools immediately after use to extend their lifespan

      Using the right solvent improves adhesion and helps prevent defects such as fisheyes, poor leveling, or uneven curing.

      Supporting Products for Complete Paint Systems

      Thinners and solvents work hand-in-hand with other painting products:

      • Application tools from Painting Supplies
      • Coatings from Topside Boat paint, Marine Primers, and Marine Varnish

      Using compatible products across the entire system helps deliver consistent, professional results.

      Why Buy Marine Thinners & Solvents from Wholesale Marine?

      Wholesale Marine offers trusted solutions for every stage of your paint project:

      • A curated selection of marine-grade thinners and solvents
      • Products matched to leading marine paint brands
      • Competitive pricing and fast shipping
      • Expert support to help ensure compatibility
      • A trusted marine retailer serving boaters since 1979

      Whether you're prepping, painting, or cleaning up, we make it easy to find the right product.

      Frequently Asked Questions

      Are marine thinners different from household solvents?

      Yes. Marine thinners are formulated to work with specific marine coatings and provide proper flow, curing, and finish quality.

      Can I use any thinner with marine paint?

      No. Always use the thinner recommended by the paint manufacturer to avoid application problems or finish failure.

      Do I need thinner for every paint application?

      Not always. Some paints are ready to use, but thinning may be required depending n temperature, application method, or a manufacturer guidance.

      Are thinners used only for paint application?

      No. They are also commonly used for surface preparation and tool cleanup.