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A friend is dealing with this green algae that is on the sand bed. Any help would be appreciated. Here is a pic of the sand and also a pic from the microscope.
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Treatment??Round blob, variable shape, orange eyespot.
Euglena, I think.
They haven't been reported to be a long term nuisance in the aquarium. (Though I'm open to new info)
I expect that this is a short-lived phase in a maturing tank.
Any update to this? I've had these guys for over a month now and it doesn't seem to be getting any worse, but it's quite ugly.Hmmmm...tank has been running for 8 years now. Maybe UV?
Nope. That’s just green unicelular algae. Hard to tell the speciesI suspect that is a type of green cyano... What do you think, @taricha ?
Still dealing with this?Any update to this? I've had these guys for over a month now and it doesn't seem to be getting any worse, but it's quite ugly.
No, I managed to get rid of them. I did confirm it was Euglena under a microscope. I did a 2-day blackout in conjunction with dosing silicates for several weeks, and that eliminated them from the sand bed... almost like magic. They still grew on the glass for a while, but eventually the diatoms from the silicate dosing took over and the euglena never came back. I tried h2o2 dosing, microbactr7, Uv -- none of those worked.Still dealing with this?