I'm up to 100% clone survival these days, hacking MOST of the fan leaf mass off and using dip-n-grow that has FUNGICIDE in it... you try that stuff yet?
Anti-stress dip- is it a SuperThrive type product with Thiamine in it? Can you give some basic info on your conditions?
-Dome or no dome
-Wilt-Pruf or no wilt-pruf
-Misting cuttings directly or misting the dome or not misting at all
-Room temp
-Lighting type and distance
-Water temp in bubbler
-Contents of bubbler solution
-Type and age of hormone, and how often you replace it, how you store it, and have you ever dipped right into the jar?