I found a lot of videos on youtube, in what Youtubers tell you to use cardboard in your garden. This is a terrible idea and I want to explain you why this is realy not good!

To find more about the topic search the net for:
leftover mineral oil in cardboard
or
mineral oil in cardboard
or
mieral oil in food packaging

#cardbordingarden
#compostwithcardboard

If you have any questions or sugestions, let me know in the comments :)