Best paint thinners in 2026

paint thinners
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Choosing the right paint thinner depends entirely on your medium. Whether you are refining acrylic pours, cleaning oil brushes, or prepping airbrushes, solvent choice impacts safety and finish. We evaluated these ten options based on clarity, odor levels, and compatibility with common art supplies to help Canadian artists make informed, safe purchasing decisions.
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Best Overall
Nicpro Acrylic Pouring Medium 69oz (2040ml), Acrylic Paint Thinner, Acrylics Flow Medium Improve Flow Consistency,Pouring medium for acrylic paint

Nicpro Acrylic Pouring Medium 69oz (2040ml), Acryl...

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Best Choice
Nicpro - Nicpro Acrylic Pouring Medium 69oz (2040ml), Acrylic Paint Thinner, Acrylics Flow Medium Improve Flow Consistency,Pouring medium for acrylic paint
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  • Massive 69oz Volume with Pump– Designed for big projects. No more constant refills. This jumbo 2040ml bottle is perfect for bulk users—classrooms, workshops, group projects, or pro artists who does pouring paint often. The built-in pump saves time and prevents spills. Dispense exactly what you need, paint without mess
  • High Flow Paint Thinner: Mix with acrylic paint to reduce the viscosity, increase flowability, transparency and smoothness, also prevents the colors from mixing together and anti-fade. The fluid becomes transparent after drying and prevents the formation of cracks
€33.99
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TERLANS - TERLANS Linseed Oil Refined, 3.38 Fl. Oz (100 ml) | Natural Oil Paint Thinner | Wood Preserver
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36/100

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  • High-Quality Refined Linseed Oil: 100% natural oil extracted and purified from flax seeds for safe and professional use.
  • Tested & Certified Safety: Independently tested by an ISO 17025 accredited laboratory and passed SOR/2001-269 Consumer Chemicals and Containers Regulations, 2001 (Canada) for chemical product safety and packaging compliance. Does not contain any siccatives and lead-based substances.
C$19.85
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Nicpro - Nicpro Pouring Medium for Acrylic Paint 33.8oz / 1000ml, Acrylic Paint Thinner, Acrylics Flow Medium Improve Flow Consistency
#5
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  • Large Volume: Nicpro pouring effect medium has 33.8oz each bottle. The large volumes are cost-effective and perfect for extensive projects and daily practice
  • High Flow Paint Thinner: Mix with acrylic paint to reduce the viscosity, increase flowability, transparency and smoothness, also prevents the colors from mixing together and anti-fade. The fluid becomes transparent after drying and prevents the formation of cracks
€25.99
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TERLANS - TERLANS Oil Paint Thinner, 250 ml (8.4 Fl. Oz.) Completely Odorless Liquid/Art Paint Brush Cleaner/Degreaser/Turpentine Substitute
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  • Completely Odorless & Non-Toxic: TERLANS Oil Paint Thinner is a completely odorless solution, making it perfect for artists who work in enclosed studios or sensitive environments. Developed especially for odorsensitive users for thinning oil paint. The harmful and smelling aromatic component is less than 2%. The odor can only be perceived when the nose is very close to the cap. Flash point: 106.5 °C
  • Premium Turpentine Substitute: Enjoy a safer alternative to traditional turpentine — ideal for thinning oil paints and achieving smoother applications without harsh fumes. Due to perfect compatibility with oil colors and 100% evaporation it allows a perfect application of paint without leaving any residues behind.
C$31.85
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Nicpro - Nicpro Airbrush Thinner, 8.45 oz / 250 ml Water-Based Airbrush Medium, Acrylic Air Brush Paints to Improve Color Flow, for Model, Wood, Canvas, Metal, Plastic, Leather, for Beginners & Artists
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  • Efficient Acrylic Paint Thinner: Nicpro airbrush medium is a high flow liquid medium that has excellent compatibility and can be used with all acrylic paints. Ideal for airbrush application
  • Improved Flow: Mix with acrylic paint to reduce the viscosity, increase flow and transparency, and achieve a smoother and more manageable flow without sacrificing adhesion or durability. It helps minimize clogging in the airbrush
€13.99
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HOMY ARTY - HOMY ARTY Airbrush Thinner - 8.45 Fl Oz / 250ml, Water-Based Acrylic Paint Medium, to Improve Color Flow
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  • Large Bottle Design: Our airbrush flow improver comes in a large bottle 8.45 fl oz, which can adequately meet your painting needs. It is a perfect blend of airbrush medium and flow improver, designed to optimize your coatings
  • Improved Flow: You can use airbrush acrylic medium to adjust the acrylic paints to the desired viscosity, which will achieve a smoother and more controllable paint flow. This can help reduce clogging in the airbrush while maintaining the color and adhesion of the paint
€15.19 15.99 EUR
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Our Expert Verdict: paint thinners

AI
This list balances safety, performance, and value. For acrylic artists, Nicpro and Vallejo offer reliable flow control. Oil painters should consider TERLANS for odorless options. Airbrush users will find HOMY ARTY and Army Painter cost-effective and precise.

Market Overview: paint thinners

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The market is shifting toward safer, low-VOC, and odorless alternatives. Water-based acrylic mediums are gaining popularity for their ease of use. Meanwhile, traditional solvent options remain essential for professional oil work and industrial cleaning tasks.

Buying Guide: paint thinners

AI
Identify your paint type first. Acrylics often benefit from water-based mediums, while oils require mineral spirits or odorless substitutes. Consider ventilation needs and brush compatibility when selecting a thinner for your specific artistic workflow.

Selection Criteria

We prioritized products with high user ratings, clear ingredient transparency, and strong value for money. Safety profiles, such as low odor and non-toxic claims, were weighted heavily alongside performance in flow improvement and ease of cleanup.

Budget Advice

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Entry-level thinners and small bottles typically range from CA$15 to CA$25. Mid-range options with larger volumes or specialized formulations cost CA$25 to CA$35. Premium professional brands may exceed CA$35 for specialized airbrush or pouring mediums.

Conclusion: paint thinners

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Selecting the correct thinner ensures better flow and easier cleanup. Review our detailed comparisons to find the perfect match for your specific painting style. Click through to see full specs, pricing, and user reviews for each recommended product.

Frequently Asked Questions

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Water-based thinners are generally safer, less odorous, and easier to clean up, making them ideal for acrylics and airbrushes. Solvent-based thinners are necessary for oil paints and lacquers but require proper ventilation and disposal.
Yes, many paint thinners double as cleaners. However, dedicated brush cleaners often preserve bristle integrity better. Always check the label to ensure compatibility with your brush material, especially for natural hair brushes used with oils.
For acrylic pouring, a dedicated pouring medium or flow improver is often superior to standard thinner. These products maintain paint consistency and adhesion while improving flow, preventing issues like cell formation or poor coverage.

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Nicpro Acrylic Pouring Medium 69oz (2040ml), Acrylic Paint Thinner, Acrylics Flow Medium Improve Flow Consistency,Pouring medium for acrylic paint
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Nicpro Acrylic Pouring Medium 69oz (2040...

33.99 EUR
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