Zagz
Aquarium Advice Addict
http://www.optaminerals.com/sandblaster/products/Abrasives/coal_slag.htm
I was offered this sand as an alternative to silica sand as it is black and much cheaper than anything else. The manufacturer said they "think" it would be ok for aquariums. Any ideas? [url]http://www.fairmountminerals.... Magnum&category=Products&level1=PC_Coal Slag
Another link [/url]
I am concerned because of the coal aspect also I know it is very fine. Do not know if it is sharp though.
I was offered this sand as an alternative to silica sand as it is black and much cheaper than anything else. The manufacturer said they "think" it would be ok for aquariums. Any ideas? [url]http://www.fairmountminerals.... Magnum&category=Products&level1=PC_Coal Slag
Another link [/url]
I am concerned because of the coal aspect also I know it is very fine. Do not know if it is sharp though.