first off i want to thank everyone on here for there help this site is a godsend that being said my tank is a month old 60 gal with moderate lighting 140 watts lightly planted water peramiters are all perfect and have two dwarf flame gouramis who seem very happy however i have been reading in here that alot of people use otos for algea do you think after a month of my tank being setup i could get some and for a tank of this size how many should i get thanks again in advance.