Surface noise

I seem to have noticeable "noise" in between tracks on vinyl, especially at louder volumes. Should I try adjusting VTF? The system is a Luxman PD-441 turntable, Denon DA-307 arm, Grado Gold cartridge. Everything is pretty well isolated from vibration on a sand filled stand which is on floor spikes and the Luxman is sitting on vibrapods. VTF is probably near 2 grams right now. Thanks for advice.