White Spots

Can someone tell me what the white spot is. Thanks

Dose anyone know what these little white specks are there’s a ton of them crawling on the glass and they seem to hang out anywhere algae grows on the glass

Is it ich or velvet? Or is i nothing. I just looks lige fine White powder.

Anyone know what these white growths are on my trochus shell?

Does anyone know what is going on with the white mark on my Tenuis? I am fighting dinoflagellates in the tank.

Can anyone help me figure out what these white fuzzy spots on my frog spawn are?

Help, anyone knows what that white stuff is under the acan?

Can yall spot the sandy looking particles on purple tang? He has gotten them before but was gone by day 2 we are on day 2 now…. Is this normal?

Are the white patches on this fishies tail of concern?

More white spots I have no qt tank what should I do?

Plz help I think my gramma may have ich I see some faded spots appearing on the rail fins and head what do I do

Anyone know what these white spots are next to the mushroom? They have a black circle with a white spot