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#1
11-08-2015, 10:24 AM
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The dead rock might leach nutrients like phosphates into your fw system. Add to a bucket, let sit for a few days and test the water. If no problems, then you should be alright.
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#2
01-19-2016, 05:08 PM
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Seachem's Matrix biofilter is just natural rock filtration. water movement thru natural stone & plant it with a good layer of volcanic aquatic soil & capped off with some gravel..... Like mentioned soak it to make sure there isn't bad stuff in it....
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#3
10-29-2016, 08:45 PM
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Hi I have african cichlid tank with all dry rock it helps keep my ph up. You would have to check ph your fish are happy in, africans like ph 8 and up. I think severums like a lower ph then that. So just be aware it may raise your ph.
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