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Old 02-21-2021, 10:44 PM   #1 (permalink)
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Default What's wrong with my plants?

They are getting dark patches and edges. I don't believe it is brown algae/diatoms because it won't rub off.

https://photos.app.goo.gl/x9cyhPJqdi9YXU7L7
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Old 02-22-2021, 06:37 AM   #2 (permalink)
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Default Re: What's wrong with my plants?

That's black beard algae. You can trim off the leaf or try spot treat with hydrogen peroxide or Seachem excel. Don't overdose on the chemicals for the fish will hurt or die.

To fix the issue, fix the light intensity, lower iron, could also be too much calcium and or magnesium.
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Old 02-22-2021, 07:25 AM   #3 (permalink)
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This has never grown any fuzz or hair-like fibers. Is it possible it could be something else?
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Old 02-22-2021, 07:50 AM   #4 (permalink)
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Default Re: What's wrong with my plants?

There are many species of BBA or red algae.
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Old 02-22-2021, 11:47 AM   #5 (permalink)
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Default Re: What's wrong with my plants?

Quote:
Originally Posted by WTHreleased View Post
This has never grown any fuzz or hair-like fibers. Is it possible it could be something else?
It is almost certainly a form of BBA, which looks very typical. You can add CO2 or reduce the light intensity to help get rid of it.
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