Cant get the photo to show Had this before I crashed last time. I need a attack plan been buying more cuc's some dont make it Scrub it off with a brush started changing my light now Im seeing bleaching cut down all my red white and greeen down to 6 hours and peaking at 30% do water changes changed out all rodi filters still comes back and gets on everything I clean it off of a solid plan of attack would be great,Or do I just say for sale going a different direction,3 fish,big leather ,red digi ,purple monti and some ric's