The corten steel panels are 1.0 mm thick, the nature of this steel is becoming rust brown. The rust protects the steel for further corrosion. The strength of this steel is comparable with stainless steel. With these panels the Yoepplanter will have a robust look and a perfect edge.
It must be noted that these panels are not suitable for indoor use. However , if you remove the panels , it’s possible to protect your sensitive plants indoors.
Upon delivery the panels are still blank and have a protective layer (grease layer). The rusting process usually takes 6-8 weeks.
Do you want to speed up this process, that’s possible. On the internet there are various methods to use.
As mentioned, there is a layer of fat on which you can also wipe off with natural vinegar, weather or regular wetness does the rest for you. Allready after a few days you will see some results.