Free shipping on orders over £29,85 
Shipping Tracking! 
Google
Facebook← Back to How to make resin magnets
Bubbles are a common challenge when creating resin magnets, but a few careful techniques can help you achieve a smooth, glass-clear finish every time. Here’s how to tackle bubble issues and create impressive results for your next resin magnet project.
Why Bubbles Appear in Resin
Bubble formation in resin is usually caused by mixing too vigorously, quickly pouring the resin, or air trapped in moulds. Temperature differences or humidity can also encourage bubbles to linger in your castings, resulting in a cloudy appearance or imperfections.
Techniques for Minimising Bubbles
- Stir Slowly: Mix your resin and hardener using a gentle, slow motion to avoid whipping in excess air.
- Careful Pouring: Pour the resin gently in a thin stream, aiming one spot to minimise introducing air to the surface.
- Surface Treatment: After pouring, use a toothpick to pop visible surface bubbles, or briefly apply a heat tool to coax bubbles upward and out. Always follow resin safety guidelines and avoid overheating.
Choosing the right resin can also help. For easy handling and a clear finish on small items, many crafters select “UV–Creation” fast acrylic resin or easy-mix epoxies like “One-2-One”.
When Attention to Bubbles Matters Most
If you’re embedding tiny objects or fine details inside your magnets, avoiding bubbles is especially important to achieve professional results. Taking the extra time to remove bubbles before curing will pay off in clarity and presentation.
Related products
Related guides
By following these bubble-prevention tips, you can take your resin magnet creations to the next level. Ready for more crafting ideas? Explore our full guide on how to make resin magnets for step-by-step inspiration.