whitespots

My zoas have been growing great lately and have been acting completely normal. I noticed these white dots on them and my rocks near by while feeding. Any one have any idea what this is and what to do about it?

I just noticed these small white spots on my baby maroon clownfish today. They don’t quite look like ich (cryptocaryon irritans) but I do want some outside opinions. I’ve had her in the tank for at least 2-3 months and she’s been doing great, she lives with a small CUC (hermit, emerald, cerith...

So a bit of background. Tank fully cycled in April, so 5 months old. 400L so about 100G. Stocking - Black leopard wrasse, coris wrasse (yep was duped as a newbie not knowing the difference between Christmas and Coris species as my first fish but doing ok and not a bully thankfully), double...

Hey everyone, Might be a silly question but ill rather be safe than sorry. It's been an eventful couple days, long story short I discovered white spots on one of my live rocks and on my red sea sailfin tang. I've added photos and just want to know if I should be worried, at the moment I think...