Originally Posted by Hholly
This stuff looks cool, and cheap. But the package says "recycled product". Is it safe? What if there is some trace of whatever it was used to sandblast?
Read the link below, I've read of members using it with no issues.
Coal Slag Explained
Hope this helps!
75g Planted Barbs Denison, BlackRuby, Tiger, Albino Tiger, Green Tiger, Cherry, Gold, Checkered, Odessa.
NonBarbs Cardinal, Neon, RummyNose, Bloodfin Tetras, Z. Danios. 1RTS. Amano, Bamboo, Ghost & RCS. 20g Long Shrimp Tank RCS, Tiger, Amano.