id algae

Please help me id this bacteria on my sand bed and any experience on eradication

This was labeled as Dragon's Breath when I got my hands on it, but after a month or two in my main display under intense lighting from my freshwater spectrum light it took on a very dense form like this. Grows in that less fluffy, more sharp-and-twisty way that dragon's breath is supposed to...

I have been battling what I suspect is Dinos since it has wiped out my coral and my nutrients are 0. The following videos were taken of an algae sample with a cheap toy microscope. Apologies in advanced

Hey Guys, Just need a bit of help with identifying what I have. I'm leaning towards cyano but would like a second opinion.

Heyy guys, i need some help identifying what is on my sandbed. I have attached some picture od some sand grains under the digital microscope. Especially the red stuff if anyone knows please help id.

my parameters are in check. i dont know for sure its been many years since i saw cyano. but i think i killed of my diatoms and it seg-wayed into cyano but during that i had a alk swing that ticked off my corals and i think a algae or bacteria problem is why they aren't coming back faster or even...