indentification

I have been having this water surface problem. Some type of green film has been building up. Manual removal does not work; it just comes back in hours. Anything it touches (equipment, fingers, containers) it sticks to. Today, I decided to put it under the microscope. It is not algae. It is a...

Sorry in advance I have a very crappy 20 dollar phone microscope, with a toothpick holder cap as my microscope slide😂 i had chatgpt analyse my videos and said I said 3 different kinds... amphidinium, prorocentrum, ostreopsis I have no idea what to believe at this point as this was a very sudden...

Hello. I have this algae growing in my dt that glows bright red under blue light. Unfortunately i cant show this because my phone camera doesnt show colors in blue light, but photos in whiter-light are attached. I would like to get rid of it as it is growing all over my sand but i dont know...

Hey there reefers, I need help identifying these two colonies. Thank you!

Hello I’ve been going back and forth in my head about what the true identity of this fish is. It was sold to me as a Palani Tang but after a bit of searching I am thinking it is actually a Thompsons. Any thoughts?

Got them in a pack, so i’m not sure what kind of corals they are. Thanks.

Hello! As I said in my MEET & GREET thread, I was recently put in charge of some coral exhibits at work. I am no expert in Reef keeping and have only kept one reef tank before personally. One of my exhibits at work has lots and lots of Discosoma sp. But also have these strange ricordea-looking...