Special substrate for palm trees

I know Seramis from Germany and like to use it for my indoor plants, to avoid mould and insects, that like wet dirt, because the surface of Seramis dries fast.

This is my favourite product for my potted plants. When I lived in Germany, this was the leading brand and I used nothing else. Glad to see it made it's way here. Now I am no longer accidentally killing off my plants by underwatering. The clay pebbles store water till it is needed.