Thanks for the ID--I'll try to get a picture of the other ones soon, but the tentacles are very slim, so hard to capture on my not-so-great camera.
The brown diatoms have died down somewhat, starting to be replaced by green algae. I didn't see a lot of pods on the glass and wanted to "feed" my new skimmer, so I scraped it off today.
I haven't been able to get the foam to climb more than halfway up the tube in the Rio, but I suppose I just need to be patient and keep fiddling with it. My water level is stable, so I hope it will stay adjusted once I get it right.
Regards,
Nevin
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