I got some Kanger Evod clearomizers a few days back and was having some serious issues. The first issue was a horrible burnt rubber taste and the second was leaking. I searched the forum and was glad to see that I wasn't the only one with these issues. I gave the Evods a good cleaning and also put a second rubber grommet head facing the opposite way on the top part of the atomizer. This fixed the leaking and gurgling but I was still getting that horrible burnt rubber taste. I was just about to completely give up when I looked closer at the atomizer and realized that the bottom grommet was barely touching the wicks. So I removed the second grommet and flipped the first over and BAM. No more rubber taste and no more leaking. Apparently the wings of the rubber grommet were touching the wicks just enough that it was heating them up when the wicks got hot, hence the burnt rubber taste. Having the wings of the grommet pointing up also seems to create a better seal because it basically hugs the outside of the inner tube. Here's a few other things I've been doing that have really made a difference:
I removed both of the silica wicks and replaced it with a single cotton wick. All I did was tear off a piece of a cotton ball, roll in my hands to the desired thickness, then thread it through the coils and clip off the ends with a nail clipper. The flavor, throat hit, and vapor production are all much better with the cotton wick IMO, just make sure to let it soak for a few hours before you start vaping, dry cotton burns rather quickly and easily, so the more saturated you can get it the better.
I also realized that its not a great idea to try and top off your liquid after it's already been filled, it's better just to smoke it all the way down, clean and dry it and then refill. I topped off one of my tanks one night before I went to bed and the next morning everything completely leaked out. I guess you need the atomizer and the bottom of the inner tube to be bone dry to get a proper seal ( I also put the protective rubber cover over the mouthpiece over night as well...that probably didn't help either). Cleaning after every refill is a little more work, but doing so ensures me a much better and more consistent performance. It also gives me the chance to put a new wick in after each cleaning which gives a clean flavor every time as well as elements the need for a dry burn (I try to save money however I can, but washing out a piece of a cotton ball is a little overkill to me haha).
Hopefully my suggestions can help some of you guys avoid the headache I went through.
I removed both of the silica wicks and replaced it with a single cotton wick. All I did was tear off a piece of a cotton ball, roll in my hands to the desired thickness, then thread it through the coils and clip off the ends with a nail clipper. The flavor, throat hit, and vapor production are all much better with the cotton wick IMO, just make sure to let it soak for a few hours before you start vaping, dry cotton burns rather quickly and easily, so the more saturated you can get it the better.
I also realized that its not a great idea to try and top off your liquid after it's already been filled, it's better just to smoke it all the way down, clean and dry it and then refill. I topped off one of my tanks one night before I went to bed and the next morning everything completely leaked out. I guess you need the atomizer and the bottom of the inner tube to be bone dry to get a proper seal ( I also put the protective rubber cover over the mouthpiece over night as well...that probably didn't help either). Cleaning after every refill is a little more work, but doing so ensures me a much better and more consistent performance. It also gives me the chance to put a new wick in after each cleaning which gives a clean flavor every time as well as elements the need for a dry burn (I try to save money however I can, but washing out a piece of a cotton ball is a little overkill to me haha).
Hopefully my suggestions can help some of you guys avoid the headache I went through.
