The Planted Tank Forum - View Single Post - Does your black diamond have that needle like pieces?
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Old 01-05-2013, 12:55 AM   #19
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It's almost a glass like material. It is extruded in strands and then ground up and sifted through shaker tables. Some of those wire like pieces just didn't get ground up enough and make it through the screens.
I've got a ramshorn snail and ottos with no issues. I've seen them go right over the points. I thought they were going to get stuck, but they were fine.
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