BigRedd Posted January 22, 2021 Share Posted January 22, 2021 (edited) I've had these black spots on this plant, I've kind of forgotten what kind of plant it is since I've gotten so many, but does anyone know what these black spots are? I've had the plant for about one and a half weeks now. Is it some kind of deficiency or is it typical for some leaves to die due to different water parameters? Not all the leaves are black, but about 1/4 of them are. Nitrates are around 20, Nirites 0, Ammonia 0, Ph 6.8-7.5 depending on CO2. I turn on a small light in the morning, then at noon use a bigger light, then stop it around 4 and turn the small light back on. About 6-8 hours of light Edited January 22, 2021 by BigRedd Link to comment Share on other sites More sharing options...
MBStevens Posted January 23, 2021 Share Posted January 23, 2021 It's a little hard to tell from your picture. I'm wondering if it's black beard algae, but I'd be surprised if it's only growing on that plant and not any others. Is it fuzzy, or is it like the leaves are melting or dying? Link to comment Share on other sites More sharing options...
Colu Posted January 23, 2021 Share Posted January 23, 2021 It could be a nutrient deficiencies 1 Link to comment Share on other sites More sharing options...
BigRedd Posted January 24, 2021 Author Share Posted January 24, 2021 On 1/22/2021 at 7:03 PM, MBStevens said: It's a little hard to tell from your picture. I'm wondering if it's black beard algae, but I'd be surprised if it's only growing on that plant and not any others. Is it fuzzy, or is it like the leaves are melting or dying? I haven't touched it, but it just looks like it's melting/ dying Link to comment Share on other sites More sharing options...
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