any geologist know if .... - The Planted Tank Forum
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post #1 of 5 (permalink) Old 07-18-2006, 06:46 AM Thread Starter
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any geologist know if ....

basalt rock is ok in a tank ??? i dont have the acid i need to test it. might try to get some from work again...
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post #2 of 5 (permalink) Old 07-18-2006, 02:26 PM
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Basalt is fine.
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post #3 of 5 (permalink) Old 07-19-2006, 03:03 AM Thread Starter
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cool, i got some cool looking shaped ones from a place i deliver to up in bellvue, wa of course they were free...
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post #4 of 5 (permalink) Old 07-25-2006, 05:13 AM
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Geologist here Basalt is actually composed of some pretty weird stuff, (think rare earth things that crystallize) but not very soluble on aquarium-life scales. So you should be fine. Basalt away!
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post #5 of 5 (permalink) Old 07-31-2006, 11:29 PM
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Another Geo here. Just make sure the rock is really basalt. Lots of people call rocks basalts which are not, and sometimes the basalts will have veins of calcite and other soluble minerals in it. If it's really basalt and it's solid, or the other stuff has been leached out, you're golden.

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