Step 4 - Decorating an Aquarium

1. Aquascaping (12)
2. Biotopes (2)
3. Paludarium (3)
4. River Tanks (2)

Outdoor Rocks - Are Outdoor Rocks Safe for Aquariums?
Did you ever see a rock by the side of the road that you wanted to put in your aquarium? Perhaps you even stopped and took a look, then decided you didn't want to risk it. Some outdoor rocks and gravel are safe for aquarium use, while others are now. Have you used rocks from the great outdoors? Share your story with the us.

Aquarium Substrate
Virtually all aquariums have some type of substrate. Learn about aquarium substrate and how it is used.