One habitat accessory, whether you keep fish or reptiles.
DualDen is a 3D-printed rock cave that works equally well submerged in an aquarium or dry inside a reptile terrarium, giving you one hideout for whatever tank you're building next.
Multiple chambers mean multiple pets can hide at once.
The layered cave structure gives shrimp, fish, geckos, or small reptiles several separate pockets to retreat into, cutting down on territorial stress.
Food-grade material, not just "safe enough."
Printed in PETG and put through a drying process to remove odor, it's built to sit safely in water or alongside your pet without leaching anything harmful.
Four sizes, so it actually fits your setup.
Available from S to XL, you get a piece properly scaled to your tank or terrarium instead of something too small to matter or too big to fit.
FAQ
Does it work for both fish tanks and reptile terrariums?
Yes, it's designed to work equally well submerged in water or used dry in a terrarium.
Is it safe for shrimp and small fish?
Yes, the multiple chambers give shrimp and fish real hiding spots away from tankmates.
What material is it made from?
It's 3D-printed in food-grade PETG and processed to remove odor before use.
What sizes are available?
It comes in S, M, L, and XL, so you can match it to your specific tank or terrarium dimensions.
Is it easy to clean?
Yes, it can be rinsed or wiped down like any other tank or terrarium decoration.
Will it affect water chemistry?
No, the food-grade material is designed to be safe for aquatic use without leaching anything harmful.
Is it worth it compared to a single-purpose decoration?
Yes — one piece works across both aquarium and reptile setups, so you're not buying separate decor for each habitat.