What You’ll Need

• Anti Bubble Mixer for Epoxy Resin – Reusable Mixing Tool: A gentle, reusable stirring tool designed to mix resin with reduced bubble formation.
• Reusable Silicone Resin Brush for Epoxy Art and Wood Applications: For precise and smooth resin application.
• Pure Isopropyl Alcohol 99.9% – 1000ml Bottle for Epoxy Resin Projects & DIY: To help remove bubbles from the surface after application.
• Disposable gloves and protective clothing
• Lint-free cloths for cleaning
• Mixing containers

Step 2: Mix slowly and gently

Bubbles often start during the mixing process. Pour both resin and hardener slowly into your mixing container. Stir carefully with a flat-edged stick or, for best results, use a dedicated tool designed to minimise air introduction. Slow, steady stirring reduces the amount of trapped air and is crucial to achieving bubble-free mixtures.

If you want to make mixing more efficient and reduce bubbles further, opt for the Anti Bubble Mixer for Epoxy Resin – Reusable Mixing Tool. Its gentle action is specifically engineered to keep your mixture smooth and consistent, saving you time while delivering clearer results.

Step 4: Apply resin with the right brush

The tool you use for application is vital. Bristle brushes can introduce extra air and are harder to clean, sometimes leaving residue that creates more bubbles. A smooth, non-absorbent brush ensures the resin glides beautifully across the surface with fewer air pockets.

The Reusable Silicone Resin Brush for Epoxy Art and Wood Applications is ideal for this task, letting you spread resin evenly while reducing unwanted bubbles. It’s also easy to clean for immediate reuse.

Step 5: Check for and remove surface bubbles

Even with perfect preparation, a few bubbles may still rise to the surface after application. Examine the freshly spread resin for visible bubbles. Small bubbles can often be burst using the tip of your brush, or by gently tapping the project.

For stubborn or widespread bubbles, lightly mist the resin surface with Pure Isopropyl Alcohol 99.9%. A fine spray evaporates quickly and breaks the surface tension, causing bubbles to pop without disturbing your finish. Avoid overuse to prevent cloudiness.

Tips and Common Mistakes

• Always mix in a clean, dust-free space — particles can form nucleation points for bubbles.
• Don’t rush the process — rapid mixing or pouring increases bubble risk.
• Avoid using hairdryers or heat guns too close to the resin, as excessive heat can create waves and more bubbles.
• Let each layer cure briefly before adding the next — this prevents new bubbles from forming in deeper layers.
• Choose application tools suitable for epoxy resin — silicone is far less likely to introduce problems than conventional bristle brushes.