Going on 3 days with the RxW on two RM2's, and so far haven't found anything I really dislike about the RxW. I did notice that with one juice that had a slight nutty flavor on exhale, and a slight sweetness to it that I liked, the nutty flavor is gone. May have to up some of the tobacco flavoring the next time I mix this juice up to try and get the nuttiness back, Other than that the wicks are working good. I am getting about the same number of hits per squonk with the 1.7mm wick in a 1.5mm coil as I was with the rayon in a 2.0mm coil.
If I go ahead and RxW my other RM2''s, and Cyclone, and order 2 more feet of the wicking, I should be good for years to come, but I'll give these two a week or two of use, then make that decision.
Short answer: Higher temperatures with ceramic will increase flow often times pumping up these denser base notes. Not at the expense of the brighter or sweeter. They're simply better expressed in the vapor and so more dominant.
Check: That wind is not too tight. Allow greater flow and less restriction, increase diameter.
Recommendation: The wick/juice needs a higher power wind (more surface contact, density), more watts.
First, let me say it can take a while for Nextel to break in. In a tank it can keep improving for days even weeks for some juices. I believe it's the effect of expanding minute pathways in the media. Rather like recycled ceramic wicks for that very reason. It's in part why I don't think RxD's been as widely excepted is most folks don't use it long enough to see just how good it can get, like a well cured black iron skillet. But I've seen folks bounce the media after a day or so long before it could exhibit its best potential for flow and that's a shame. Second, I found that tight winds like 1/16 for 2mm or 2-3/8 for 3mm were on the tight side for flavor/density builds.
Wondered about muting myself tho early on before realizing this. Why such a difference of the same juice, I thought. And as with all the varieties of wicking I was comparing in my semi-formal study…
were certain flavors attenuated? I discovered this is certainly so for some wicks and for a variety of reasons. However, I didn't find that to be the case for ceramic. Rather, that some natural and synth textures have a greater tendency to trap certain pigments due to their geometry. Nextel's not exempt as fiber separation is tight but it flows extremely well. Consider that if the flow is fast it would rather carry more. If a texture is going to be prone to agglomeration its more likely to impede dense globules and that's the very definition of darkly pigmented flavorings like tobacco or other organics which of course would include NET's, natural extracts, certain fruits, some nutty flavors and dense custards, etc.
often sweet and/or sour. This forced me to seriously delve into DIY to confirm that postulate regarding neutrality and durability with juices like Johnson Creek, my primary consumer juice test subject which hasn't the greatest rep when it comes to gunking. At the end of the day turns out its more about ceramics neutrality as material than flow itself. I concluded cotton, as much as we rave about it, is the most likely to interrupt flavoring elements than anything else. It thoroughly needs to be broken in with PG/VG before anything is run through it or its starts to stick readily instantly. Think clean cotton shirt and coffee spills.
Conclusion, some juices shined in the bright, juicy, sweet, etc. notes with ceramic. Rather a few seemed to suffer under the heavy notes. But the bright side WERE previously part of the recipe and it turns out these were DOMINANT. So in your case perhaps that nutty base side is too low in the spectrum of detection
for you. You might enjoy that flavor more with another media if you enjoy that accent. I discovered as part of my study that I'm ultra-sensitive to extremes of acid (I knew sour). Highly sensitive anyway. So those are my limits. Juices with those characteristics tended to overwhelm other flavorings regardless of media.
Not saying these observations and conclusions work for everyone. There's much variation in sensitivity and combinations. I focused on feedback from a broad middle. — The most of us that enjoy that 17.5W on a Kay, so the focus of perceived flavor could be isolated with respect to comparisons of the wind and wicking media. Point being that power extremes of both cool and warm impact taste significantly as most of us can readily appreciate with experience vaping. Ceramic works efficiently at all power ranges. It will make juices shine with complex compositions. We may taste flavors never before observed. They may end up pushing the base components of the recipe to the background. Perhaps where they were intended.
Good luck all.