white particles

Hi everyone I’m cycling an old tank it’s about the 3rd day I’ve added fish flakes and now I have these white particles on the top of the tank. Some are collecting on surfaces but mostly on the top of the tank. Does anyone know what this is and or if it is normal?

Hi everyone, does anyone know what this white stuff is in my tank? These are old pictures from a year ago. I’ve since taken my tanks down because of this white stuff, I’ve bleached everything and this stuff just seems to keep coming back. I’ve set up this tank again with just water and afilter...