Best thinner in 2026

thinner
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AI
Selecting the right thinner depends entirely on your medium. Whether you are working with water-based acrylics for miniatures or oil paints for traditional art, using the correct solvent ensures proper viscosity and finish. This curated list distinguishes between specialized airbrush thinners, general pouring mediums, and even unrelated media, helping you avoid costly mistakes and achieve professional results in your creative projects.
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10
products
17-25€
Price Range

Interactive Comparison

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Our Quick Picks

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Best Overall
Vallejo Airbrush Thinner 200ml Paint

Vallejo Airbrush Thinner 200ml Paint

20.20EUR
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/ 10 Products Shown

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HOMY ARTY - HOMY ARTY Airbrush Thinner - 8.45 Fl Oz / 250ml, Water-Based Acrylic Paint Medium, to Improve Color Flow
#4
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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
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Nicpro - Nicpro Pouring Medium for Acrylic Paint 33.8oz / 1000ml, Acrylic Paint Thinner, Acrylics Flow Medium Improve Flow Consistency
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40/100 Prime

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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
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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
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HOMY ARTY - HOMY ARTY Airbrush Thinner - 16.9 Fl Oz / 500ml Water-Based Acrylic Paint Thinner to Improve Color Flow for Airbrush Paint, for Model, Wood, Canvas, Shoes, Clothes, Leather, Metal and Plastic
#9
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40/100 Prime

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  • Large Bottle Design: Our Airbrush Thinner comes in a large bottle 16.9 fl oz, which can adequately meet your painting needs. It is not just an acrylic paint thinner, it is a perfect blend of airbrush medium and flow improver, designed to optimize your coatings
  • Improved Flow: You can use Airbrush Thinner to adjust the acrylic paints to the desired viscosity, which will achieve a smoother and more controllable paint flow. This acrylic paint thinner can help reduce clogging in the airbrush while maintaining the color and adhesion of the paint
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Our Expert Verdict: thinner

AI
This list highlights the best thinners for specific needs, from Vallejo's reliable airbrush medium to TERLANS' odorless oil solution. Note that one item is a movie, not a product. Focus on matching the thinner to your paint type for the best artistic results and safety.

Market Overview: thinner

AI
The market is split between hobby-grade acrylic thinners for miniatures and professional oil painting solvents. There is a growing trend toward non-toxic, water-based alternatives for acrylics due to health concerns. Consumers also seek multi-purpose mediums that improve flow without altering color.

Buying Guide: thinner

AI
Identify your paint type first. Acrylics need water-based thinners or flow improvers, while oils require solvent-based thinners. Consider if you need a retarder for drying time or a pure thinner for viscosity. Check bottle size for value and ensure compatibility with your airbrush or brush technique.

Selection Criteria

We evaluated products based on user ratings, value for volume, and specific suitability for acrylic or oil mediums. We prioritized items with clear labeling and positive feedback from model painters and artists for reliability and performance.

Budget Advice

AI
Entry-level water-based acrylic thinners are affordable, often under CA$15 for small bottles. Mid-range options offer better value in larger sizes. Premium or specialized oil thinners and large-format pouring mediums typically cost more but provide better consistency and coverage for serious artists.

Conclusion: thinner

AI
Choosing the correct solvent is vital for your project's success. Review our detailed analysis of each option to find the best fit for your specific technique and budget. Click through to read the full reviews and make an informed decision today.

Frequently Asked Questions

AI
No. Acrylic thinners are water-based and will not properly dissolve oil paints. Using the wrong type can ruin your paint's consistency and damage your brushes. Always use a solvent specifically designed for oil paints, such as odorless mineral spirits or dedicated oil thinners.
Thinner reduces viscosity to make paint flow better, while a retarder slows down the drying time. Some products combine both functions. If you need longer working time without changing flow, choose a retarder. If you need to spray or pour, choose a thinner or flow improver.
Yes, water-based acrylic thinners are generally low-odor and non-toxic, making them safer for indoor use compared to solvent-based options. However, always ensure adequate ventilation when airbrushing, as fine mist particles can be harmful regardless of the base.

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Why Trust This List?

Data-Driven Selection

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Last updated fa 1 mes

Independent Analysis

Objective criteria: rating, price, popularity

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Vallejo Airbrush Thinner 200ml Paint
🥇 #1

Vallejo Airbrush Thinner 200ml Paint

20.20 EUR
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