The Planted Tank Forum - View Single Post - Glass marbles in tank
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post #1 of (permalink) Old 02-02-2004, 12:33 PM Thread Starter
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The other day at my LFS I saw a tank where they'd sprinkled some flat glass marbles (like these... over their substrate, and while it obviously didn't look like a natural riverbed, it was very pretty. I wouldn't mind having just a few of these sprinkled in the bottom of my tank. Can anyone think of any reason they might be harmful to plants or fish?
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