Sand or gravel in my CA tank

  • We are currently upgrading MFK. thanks! -neo
Hi bud, you can use both if you like both.
 
Dark gray pebbles glued to the bottom. Fish can't move them. Easy to clean. Most of the waste is carried away by the current. And it looks pretty natural too. You can see it at the end of this video.
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All plants are tied up to the wood pieces and stones.
 
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