The Planted Tank Forum - View Single Post - Does your black diamond have that needle like pieces?
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Old 10-25-2012, 10:01 PM   #11
Planted Tank Obsessed
PTrader: (20/100%)
Join Date: Mar 2011
Location: Davis, CA
Posts: 358

The last bag of 20/40 I picked up also looked similiar. Don't remember this issue with the first bag I used. I wonder if it varies by batch.

I really like the grain size, weight and color on this stuff, but I am not sure I would use it with any vigourous substrate diggers, which is too bad.

Anyone have suggestions for alternative capping materials that are about the same in grain-size and color range?
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