Well water

[dabandit]

Ok,just moved to a farm on a well. The water is brownish,but it tests at 0nitrate,0nitrite and 0phosphate am I safe to use this in my tank without running it through an ro/di I mean a well is mother natures biological filter is it not? I have a 4 stage ro/di unit but its down at the moment and my fish desperatelly need to get back into my big tank currentlly I have a blonde naso,mandarin,2 clowns orange and black ocelaris and a niger trigger sharing my 10g nano lol