Home for your copepods and amphipods to populate, safe from predators 

Place the Copepod Hotel under rockwork or in the sump and wait for them to move in.

The lid and floors at stackable, which means you can add more floors if you wish, while also allowing ease of cleaning and access to the pods if you wish to shake some into your tank.

Made with 100% Aquarium-safe plastic, which won't degrade.

This is essential then buying 3D printed products, as some products are made of cheaper materials which will degrade within one year and could pollute your tank.