Lace Rock Natural Stone Aquarium Kit - 36" x 10" Domestic These have been thoroughly cleaned

These have been thoroughly cleaned and are safe to put in your tank when they arrive

This rock by itself is 14"  wide and 11" high with a 3" and a 5" swim through hole as well as a  hidden cave

Tanganyika

creating the ultimate natural "swim-through" tunnels and protective caves for your fish

Lace Rock Natural Stone Aquarium Kit - 36" x 10" Domestic These have been thoroughly cleanedThis lace rock display is large, and it will span the length of a 55 gallon tank, leaving 4 inches of space on both sides. On a flat, hard surface, it measures 11" high, so if your aquarium has a healthy amount of substrate, you will want to factor that in to make sure it isn't too tall for your project. These lace rocks will raise the pH level in your aquarium so be advised, these are for use in fish tanks that run with an elevated pH level. This