Thread: marine safe rock?
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Old 05-02-2011, 07:38 PM
eli@fijireefrock.com's Avatar
eli@fijireefrock.com eli@fijireefrock.com is offline
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i think its land based calcified rock, probably contains some metals close to tufa rock.it would help if you could get the name its sold as.
Last edited by eli@fijireefrock.com; 05-02-2011 at 07:40 PM.
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