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16-09-2006, 11:06 PM
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Black spots on Anubias
I've recently dropped my lights to decrease the algae I was getting and the tank was algae-free for about 3 weeks. Then I seemed to start getting black spots on my Anubias leaves. Any idea why this happens? Nutrient deficiency of some sort? Any help is appreciated. Pic below:
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Cheers, Nathan 
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19-09-2006, 05:15 PM
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It's GSA-green spot algae.
Try dosing a teeny bit of KH2PO4. Like a 1/16th of a teaspoon for a 100l tank. That's a phosphorus deficiency.
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So many aquascapes, so little time...http://www.my-mac.net/forum/
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20-09-2006, 03:50 AM
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Hmm... always thought they'd be green
 I have been experimenting lately with my dosing/lighting to see what works (read: less work) so things are a little haywire with the tank. Thanks!
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Cheers, Nathan
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20-09-2006, 04:06 AM
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It might also be a CO2 issue. I'd tweak up the CO2 first[watch the fish for two hours after doing so, just in case]
Then do the tweak for the fert. ps, they are dark green in your photo, no?
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So many aquascapes, so little time...http://www.my-mac.net/forum/
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