What ratio PG/VG are you using? Do you add any distillled water to your mix? We tried flavorless too for that very reason and they lasted two days longer- you are a marvel sir or madam....LOL
My mixes are somewhere between 25% and 30% VG and no, I add nothing other than PG.. no distilled water. I am adding a few drops of flavor and no sweetener and the juice is still clear. I've been amazed at how long my cartos are lasting now. I haven't even opened another resurrector in 3 weeks. I'm also getting much longer on my clear, dual coil cartos.. you know how after a couple days they get real brown towards the bottom? Mines still pristine white.
The 3 weeks old resurrector doesn't crackle and pop like it did in it's younger days but it's still too good to stop using. On the clear dual coil carto, the first fill was a heavily flavored/sweetened juice from tasty vapor and then on the refills, I'm using unflavored.. I'm still getting lots of flavor and the carto is lasting as long as I feel it should. The draw is not tight on either one.
I was really getting bummed a few weeks ago, going through a carto every day or two was getting expensive. I'm thrilled to now be able to get my moneys worth and more!
I fill the first time with a syringe and then drip to refill. And I am a Madam LOL