I am planning on buying 3 or 4 oto's for my 20 gallon because I need a little algae clean up crew. I have 6 Guppies in there currently and I have some salt in it as I know guppies like salt. Are the oto's compatible in my tank?
did your lfs tell you this? seems like a good way to sell aquarium salt when its definately not neededI have some salt in it as I know guppies like salt.