Sorry if you thought I was being to rough on you guys it's not what I was trying to do, I was only giving my personal opinion. I've been there I tried the same things, I used the blue foam in the opening of the tank, other fillers too, and thought the same way you guys where, it didn't work, then I did a few other things that helped a little bit but just didn't meet my expectations of a quality vape.
I wrote in to the company asking them to open up the needle opening more, use a slightly different wicking system, and lastly asked them to make 3ml tanks, I also asked them to make the tanks out of stainless steel. They did listen a little bit, I also think the SS Tanks would help and last forever but of course they would sell much less so I don't think they will ever do it, but if they did it would help and flavor would be much better, I also get that plastic taste with the current ones. I have been up down inside and out trying to make these work, they just don't provide the vape I'm looking for sorry.
Either way I just have had nothing but bad experience with these, I know there have been people like Sugar and Spice who say they are enjoying them but compared to a well built bottom feeder there is no comparison. Even certain cartos are a much better vape like Iken cartos and the dual coil carto now out, again my opinion ONLY and some may disagree but I think you will find many more who do agree. Heck try a dual coil, Carto, a Boge Carto, a Iken V2Gold carto, all of these dance circles around these muted tasting plastic tasting tanks, again my opinion ONLY, what do I know anyway right
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Good luck with them I hope you find a way, I couldn't, but as far as tanks go, the syringe mod, maptank, AFS,UFS, and carto's mentioned above all blow these Ego-T style ones away as well as bottom feeders. I say it again in my opinion ONLY. For these companies to spend what they do and as big as they are they should be producing things that are much better then what some local modders are producing, but they aren't even close, they throw a lot of trash at us from over seas that just does not produce or work as advertised and these don't, period end of story, I hope that they have however been working on there R&D and make more improvements because as of now they should be embarrassed on what they put out there and are selling in my opinion and calling it a good vape, it's not, not even close compared to the current other set ups I'm using on a daily basis.