01-01-2020, 03:46 PM
Join Date: Jul 2006
| | Re: Coal Slag In Canada
We used the diamond black sand blasting media as a cover over the substrate. We either got it at Tractor Supply or Rural King. We might even use some of it for its intended purpose, sandblasting rust off metal!!!
I didn't know it was coal slag but whatever it is, it is used around here as a suitable aquarium media, and some use only that if they're not doing a natural planted tank. We have one of those and only use enough to keep the dirt covered to keep it from getting stirred up.
It's heavy, even in small bags, so you'll want to find a local source. Or have a friend from the US ring it with them. They could say they use it as extra weight for their car in the winter for improved traction at customs, or just pay the customs fee, which wouldn't think would be much.