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10/09/2014, 10:24 PM
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#1 |
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Registered Member
Join Date: Apr 2013
Posts: 892
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What is this rock?
I think that this is limestone or something.
This rock is very porous light and is very well lost the word but has alot of surface area. Would this be ok to use in a tank?
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27 Rimless cube DIY lights and sump mag 5 cad lights pls 100 jeabo rw4 jeabo dp4 |
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10/09/2014, 10:54 PM
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#2 |
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Registered Member
Join Date: Mar 2013
Location: Seattle, Wa
Posts: 540
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Hard to say. Put a couple drops of vinegar on it and see if it reacts at all.
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