All my Anubias and bucaphalendra seem to be slowly getting covered with hideous dark green spots. Can anybody tell me what it means and if I can get rid of them?
It is the sign of deficiency of Phosphorus. Increase the dosage of PO4. You can also introduce some algae eating snail such as Ramshorn/Nerite snails. Changing the position of Anubias in dark places in aquarium will also help.
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I am facing the same problem in spite of PO4 dosing....it's because my Anubias were under direct light ....now i have planted plenty of H.difformis to provide shade.
i use to face same problem with my buce and anubias what i did i reduced my light and increased CO2
result was great all algae gone but bad result its growth was slowed down....