I've seen a few different betta caves in the DIY section and when I posted pictures of my tanks in a different thread people seemed to like the cave I made for one of my bettas so I decided I'd post it here incase anybody else might be interested. Basically all I did was glued together some left over river rocks from an old tank setup I had. For the "glue" I used aquarium silicon.
Here's a picture of it:
So it's not really a cave but more of a tunnel but this was just a quick one I put together to see if it would work (I wasn't sure the silicon would adhere properly to the rocks). Now that I know it works, I will probably be making some more for my other tanks. I think this concept could be used to make any size cave you wanted and possibly multi-cave systems.
So here's the steps I took to make the cave/tunnel:
- Wash and separate out the rocks by size and shape. Saving the longest ones for the roof.
- Build both of the walls of the cave. To do this layer the rocks like a brick wall using the silicon like mortar. Rocks with similar heights and kind of flat tops and bottoms work the best, but after all, they are just river rocks so I used small rocks to fill in any gaps.
- Build the roof. This was done by laying one row of rocks side by side glued together and then gluing a row on top of them so that each rock on the second row is glued in between two of the bottom rocks.
- Let the sides and the roof dry until the rocks no longer slip around. To make the walls even on the inside I laid the walls on their sides while drying and used extra rocks to hold them in place.
- Glue the roof to the walls.
- Let it dry 24 Hours and you have a cave/tunnel.
Hopefully this is understandable to everybody but if not feel free to ask questions.