algea

Ok I’m not sure what kinda algae this is. I was thinking dinoflagellates but I’m kinda puzzled though as I don’t have a ton of bubbles like traditional dinos and I have nutrients. I did a 10% water change last night I’m pretty religious on weekly water changes but this one was closer to 10 days...

I've had my tank for 5 weeks now, and I've noticed something growing on my xenia. Can any tell what it is?

I have a biocube 32 LED with a current cuc of 7 astrea, 4 cerith, and 5-8 nassarius (I have no idea how many I have they breed all the time), and 3 hermits (1 dwarf red leg, 2 dwarf blue legs). I have a lot of red slime and dust algea still and he hair algea is slowly being eaten by the astreas...

I have regular purple coralline growing on my rocks. I also have this very light blue colored algea that looks similar and a hard green algea on some of my other rocks. Are these coralline? Also some white colored areas on my back wall. Is that the start of coralline?

Hi all new to the forums. I've searched a bit, but have not found quite what I was looking for. Or if I have it's been worse then the stage I'm at. But as my title states, I have a BioCube 32 that's been up for just about 3 months. It's been a month since diatoms have disappeared and all seemed...