Hello, I am new to this list, but I have been keeping plants in my tank for several years now with mostly good results. Recently though, I have had an outbreak of an algae I have not seen previously. It is growing on the upper portions of Val and crinum leaves, and a little on melon sword leaves. It has bluish green, sometimes branching filaments. Most of it can be pulled off fairly easily, although I think I am just removing the bulk of the algae, not the base. It feels coarse. Anyone know what this is? Is it "the dreaded Oedinum (sp?) green thread algae (feels like horse hair)"? If so, how can I control it? All plants are growing rapidly, shrimp are reproducing regularly. Setup is : 55 gal tank Two F40 Chroma 50's and two Chroma 75's nearly 6 months old CO2 via yeast generator into power head Two sponge filters on power heads 3" gravel enriched with red clay 1 Gourami, 1 dwarf rainbow, 1 Oto, 1 small pleco or paroto, 30-40 ghost shrimp Uncountable burrowing snails 30-40 Hygrophila stems 4 huge watersprite rooted in substrate + several floating 1 Melon sword 150 or so stems of unknown bunch plants 30 stems of anacharis 1 crypt duckweed 1 crinum (new, probably brought this plague) 25 vals (Italian?) Bunch of Java moss large clump of Java fern As I said, I have not seen this type of algae before, so any information would be appreciated. Steve Garinger
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