HOUYI Expanding Foam – 900g | Aquarium, Terrarium & Aquascaping Foam

Create custom 3D backgrounds, rock walls, caves and hardscape structures with HOUYI Expanding Foam. Ideal for aquariums, terrariums, vivariums and paludariums.

Key features:

• 900 g can
• Available in Black
• Expands and cures with moisture in the air
• Easy to shape and carve
• Suitable for aquascaping and terrarium construction
• Adheres to rock, wood, glass, masonry and other suitable surfaces
• Useful for creating backgrounds, rock walls, caves and custom landscapes
• Suitable for use with plants and livestock when properly prepared/cured

How to use:

1. Shake the can well for about 1 minute.
2. Attach the applicator.
3. Ensure the surface is clean and dry.
4. Spray from the bottom upwards.
5. Fill only around 30% of the desired space, as the foam expands.
6. Allow it to cure.
7. Once sufficiently cured, carve and shape it to create your desired hardscape.