algae maybe? plants are doing well, except one leaf on one plant has spots

how do i get rid of this? if i need to get rid of it at all
dkm287 Reviewed by dkm287 on . Ive got a feeling this isnt good... algae maybe? plants are doing well, except one leaf on one plant has spots how do i get rid of this? if i need to get rid of it at all Rating: 5