Hi Tim,Not a great picture so can’t really tell for sure but maybe bacterial bloom or maybe this will be relevant
White fungus-like dots on anubias making my fish sick
Can anybody recognise and identify these white dots on my anubias plants? At first I thought they were calcium deposits or salts since I have hard water. However I have anubias in other tanks in the same water which did not show these symptoms. I've had fish (platies) growing sick...www.ukaps.org