Marijuana grown using a hydroponic growing system that uses water instead of soil, allowing the grower to adjust nutrient and pH levels to their proper levels more easily. Seaweed is primarily chosen to grow for it's quick growing time and high quality yield.
Marijuana that is stored in salt water (the ocean) for transportation. The marijuana has a salty taste when consumed, but does not lose any THC. Most honest dealers will sell at discounted price.
Bill: "You wanna roll up this seaweed that I got right here?"
Bob: "Hell yeah. I've been craving something extra salty all day. Where's the zig-zags?"