Rock blending in with substrate?

NeonFlux

Water agent
Oct 16, 2005
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Los Angeles, California
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William
What kind of rock would blend in with eco-complete?
 
black lava rock would work. Basalts are pretty black.
 
Lava rock? Hm! Where can I get lava rock
 
I find that slate, once it "ages" and gets a little algae/organic matter on it, colors up nicely and blends well with the black substrate.

My tank uses flagstone (similar to slate...might even BE slate, lol):

2806917211_76c8066d6a_o.jpg
 
theres some pretty dark granites out there too.
 
Flagstone is a style of rock more than a type of rock.
Yours does appear to be a kind of slate.
Huh so an interest in geology does come in handy...... Btw that tank is amazing. Simple to the point and absolutley beautiful. Kind like my girlfriend.
 
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