The Planted Tank Forum - View Single Post - g33tar's 12g Mr.Aqua -First planted tank - March 5th update
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post #4 of (permalink) Old 03-24-2010, 04:28 PM Thread Starter
Planted Tank Enthusiast
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Join Date: Jan 2010
Location: Cumberland, Rhode Island
Posts: 522
I think it coal slag? Its the same product as Black Beauty sandblasting material, just a different name.
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