Aquarium cave made using a CD spindle with rocks attached.

This is my first Instructable and hope I did ok.

Step 1: What You Need

You will need:

Empty CD Spindle( any size you want). I used one from a 50 count.

Aquarium Safe rocks or stones. I got my stones from bluffs along the Illinois river. I had them in the aquarium already, but just as decorations along the bottom. If you get your stones from nature, make sure you clean them very well. I even boiled mine before placing them into the aquarium.


Drill with small bit

Glue Gun or Aquarium Sealant

Any other decorations you want to put on the cave
Is the plastic used safe for fish?
Constructive criticism--if you do another one, consider using aquarium gravel that is from the "river rock" colour collection. It would detract less from your wonderful work of art. It is a fabulous idea! (Plus fish seem to live longer when they are surrounded by natural colours.) You could also introduce live plants to your cave surface, as you have a wonderful base for them to attach to--Java Fern LOVES surfaces like this! This is probably the first original cave I've seen that allows for really easy creation. Thank you so much for sharing!
Be careful if you have a betta fish... Sharp edges can rip their fins. =)<br/>
That's a great first instructable. And because the lid/top is removable, maybe find a way to put a light or formations in the cave...
good idea for a leopard gecko cave too
This is a great idea. I have some rocks stacked on top of each other for my small fish to hide in, and my placostomous (didn't spell that right I'm sure) keeps knocking it over. I'm doing this tomorrow.
i just call them a pleco
Great project!!!!

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