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-   -   Brown stuff on rocks (http://www.canreef.com/vbulletin/showthread.php?t=107848)

Ulmo 06-17-2014 09:41 PM

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.

https://lh5.googleusercontent.com/PT...Vqb0=s192-p-no

kien 06-17-2014 11:03 PM

Likely a diatom bloom as a result of the curing processes.

sumpfinfishe 06-18-2014 12:39 AM

+1 :wink:


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