Hi. New to vaping here. The egrip 2 is my first mod. It came with three coils, the 0.5 & 0.25 SS coils, and the 1.5 clapton coil. The 1.5 has been vaping fine for me with no problems, but the other two coils have just been unusable. Its a shame because the flavour is much better using them. I've...