Yeah... when I ordered the slicone a while back I ordered 3 10-packs and I've been good. Even gave a few to my neighbor and I still have some I haven't even used.
As for the tanks, I've only had to throw 2 away and that was from me losing pieces to them. Again, I clean these really good either when I don't have any clean to change flavors, once a week, or every 10 fills which ever come first. Sometimes less, sometimes more.
What happens sometimes is you'll get what I call "spittle" coming through the tip. This is raw e-juice that hasn't been vaporized that comes through the baffle of the tank. You'll KNOW when this happens as your tongue will go a bit numb.
When this happens I
do what I described in this post, but I'll paste the meat of it in here.
1. Using a safety pin, put it in the mouthpiece hole to remove the top part. It just pops out.
2. You'll then see the baffle with another hole in it. I used a safety pin to remove this as well.
3. You'll then have the two small pieces with tank itself being the 3rd.
4. I cleaned all 3 with hot water and then isopropyl alchohol as that wouldn't affect these pieces much. It also cleaned any residuals from other flavors.
5. When everything is nice and dry, put everything back to together when dry ensuring that the baffle is seated correctly, flat side up, so that it's nice and flat and not wedged in on an angle.
As far as I can tell, the tanks should last for QUITE a while. The 2 I've had to toss are because the parts have just gotten worn from me taking them apart and cleaning them.
