I just recieved a used bass, and was setting the action and the inntonation. One problem the E and B string want tone. I read the book on moving the saddle forward or back depending on if its to flat or sharp. The open tone and harmonic are in tune its the 12 fret thats sharp. I cant' get it right all the other strings are fine. Any help would be great. If it helps its a Ibanez ATK 305.