film algae

So this has been growing in my tank for about 4 months now, a deep green film, especially in areas of high light. It grows on the rocks, and the glass but never touches the sand. It also covers right over any corals on the rocks, it killed my bird's nest coral in a matter of weeks after getting...

Established tank, about 13 months old. Started getting orange film on just one rock. Film is hard to remove. What is this and how I get it under control.

Hi, my sump, my skimmer, filter socks and even chaeto is covered with what seems like some film aglea, (diatom, cyano?) It's rust colors. Been like that for 2 weeks and it's only in the sump, DT is clean. Any help is welcome. Thanks!

Hello Reef2Reef, I have been struggling with a case of killer green film algae (see attached photo) for about the past 4 months. I just can't seem to kick it. So far, I have lost 3 corals to it, and it looks like my large zoa colony will be the next to go. Background My 32g BioCube has been...

ok so i’ve been dosing vibrant for a while because i have a gha problem so i’ve also upped my water changes it was from feeding i used to feed like half a cube of mysis now i feed up to 2/8 of a cube i’ve also been feeding the corals a bit less i’ve also tried running phosgaurd but why is there...

Hey everyone! I've been reefing for only 3 months now, so still learning a ton, and I'll tell ya, I can't wait until I can sit down and actually enjoy my tank instead of obsessing over learning and trying to figure every single detail when things change. That's a side note though. :p So I've...