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#1
06-17-2014, 09:41 PM
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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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#2
06-17-2014, 11:03 PM
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Likely a diatom bloom as a result of the curing processes.
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#3
06-18-2014, 12:39 AM
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+1
__________________
cheers, Rich all that we do is touched with ocean, yet we remain on the shore of what we know http://www.advancedaquarist.com/2005/5/aquarium
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