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post #49 of (permalink) Old 02-23-2013, 04:14 PM Thread Starter
Algae Grower
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Join Date: Nov 2011
Location: Walnut Creek, CA
Posts: 146
Originally Posted by TheGuy View Post
For some reason my small unzan stone floats and actually turned over. It seems they are quite buoyant.

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Wow that is super weird. Since they are lava stone I know that they have bubbles in them. Maybe you stone has a giant bubble in it? It's a shame you can't use it. Mine are staying down fine so far.
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