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Rock

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wbstyles

Member
Joined
Dec 4, 2003
Messages
15
I have about 100lbs of Lava Rock and it has been sitting outside next to a house. I sprayed it off w/ a water hose pretty good. I then put in a 55 gal tank w/ two power heads, two power filters & a heater. I wanted to know if this will eventually clean the rock good enough to use for a SW tank? I plan on adding LR to this tank to try and get this lava rock full of organisms as it cycles. I will then add all this rock to a 150 gal tank.

Will this work? Any thoughts or ideas?

Will
 

mojoreef

Reef Keeper
Joined
Jul 5, 2003
Messages
7,530
Location
Sumner
Will I have some lava rock in my tank to. I just got a huge pot and boiled it, not much lives through that.

Mike
 

j.stagner

Seeker of knowledge
Joined
Jan 8, 2004
Messages
116
Location
Mill Creek, WA
Alternative base rocks

I have used both lava (rarely) and tufa rock in my systems with good success. I have thoroughly rinsed/washed both before use. Over time, they became so encrusted that it was difficult to tell that they were not reef rock.

I have also used homemade "Aragocrete" made from the recipes found at www.Garf.org, and it works extremely well. You have complete control over the shapes and consistency by adjusting the mix, and by adding things like small plastic shavings you can encourage rapid encrustation of coralline. The biggest problem is that is has a very long curing time, and if the rock is not fully cured you *do not* want to use it.

My favorite alternative, and the reason for my post, is aragonite rock. I used to be able to get it several years ago from a LFS in Seattle that has since closed. This stuff had fairly good shapes, nice porosity, and grew coralline quite well.

Does anyone know where I can get clean aragonite rock? I plan on setting up a larger system in the next 4-6 months, and would like to have dry rock that I can use to plan the basic structure, without regard to how long it is out of water. I want to make a strong, open structure that will keep everything off of the sand as much as possible, and will drill the pieces and join them with cable ties, epoxy, etc.
 
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