Brown stuff on rocks - Canreef Aquatics Bulletin Board

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Brown stuff on rocks

06-17-2014, 09:41 PM

Ulmo

Member

Join Date: May 2014

Location: Alberta

Posts: 59

Brown stuff on rocks

hi guys I've been curing some pukani that I got dry for about 7 weeks. I noticed a while back that some brown stuff started spreading on some rock. What is it? I can scrape it off with my nail. Ammonia has been at 0 for about a week now, been treating the phosphate with lanthanum chloride for a couple weeks. Curing in darkness with lid on bin.

Last edited by Ulmo; 06-17-2014 at 09:48 PM. Reason: add pic

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