Adjust and glue in the rock modules
Glue in the the rock modules and adjusted if necessary. The easiest way to cut rocks is with a jigsaw. Afterwards, the glue joints are pressed off with sand. Wait for 12 − 24 hours until the silicon has cured. Then you can start up the aquarium. Enjoy yourself-designed Back to Nature rock biotope!
Arrange and fix the rock modules step by step
The rock modules are arranged for a coarse design without gluing in the aquarium. Test which combination works best. Overhanging rocks create depth. Fix the rocks with wooden strips and filter foam.