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Discussion Starter · #1 ·
How about lava rock?...I've heard NEVER and I've heard any kind of rock
will work as long as they are of the same "type". I'm not going to mail order stones I can't pick through in person so I am limited to what I can use. LFSs
seem to have a lot of interesting lava rocks so they look to me as the way to go........Comments? __________________
 

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You can find black lava rock too. Its also great for bacteria proliferation, closest thing to a "Live rock" you can find. I know a few people who use lava rocks as the bio media in their canister filters.
 

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I don't know about how "proper" it is, and I don't have any iwagumi layouts, but I do have lava rock in my nano tank and it's very nice looking. It even makes algae look cool. :thumbsup:
 

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That's a nice looking rock!
 

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Discussion Starter · #10 ·
I picked it up at a bonsai place. Its just that lava rock that you see at your LFS. You know...the stuff thats always over in a box on the floor.
Maybe the pic makes it look like something else. I'll get a picture of anothe piece I have
 

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Discussion Starter · #12 ·
Its Lace rock guys.

I just called the bonsai place

Geez.....Now....

Does anyone use that for Iwagumi?
 

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