That's enough for me to stop using it! People would have to bring it to the dump on Toxic Products Recycling days here. The level of Mercury ticks me off too, I'm glad I didn't use it in a vegetable garden!
Aquascape? I'm a crypt farmer.
It's a fine line between fishing and standing on the shore looking like an idiot.
That IS an aquascape, it's titled "The Vacant Lot".