Opinion needed

[oldfatguy]

This may have been covered if so can you send me to where? Which is best needle fill on cartomizers or condom fill and why?
Thanks

 

[Kent C]

This may have been covered if so can you send me to where? Which is best needle fill on cartomizers or condom fill and why?
Thanks

I'm not up on the latest - don't use them anymore - but here's one video that's been posted here:

YouTube - Refill Ecig Cartos Quick and Easy (CCFM)

...and in the right frame a bunch of others you might try.