Wait?!? Did I truly miss wishing you a Happy Birthday? Well that's just wrong ... here's a little something special just for you ...
Oops, sorry. That one's for Drew. Here's yours.
Yeah, I know he's not Thai but I can't afford the import tariffs on one of those.
Don't they make dirt specifically for aquariums? I've watched several youtube videos of a guy somewhere in Europe who creates large scale aquascapes and uses some special dirt under the sand/gravel for planting both submerged and emergent plants.