Firstly I had several people recommend these and some others tell me not to bother with the trouble they cause. Well the latter of the suggestions were correct... Very hot vape, burnt plastic taste, and not matter how much flavour you add th burnt taste never goes away. Huge plumes of vapor but very dry hitting. Tested from 3-4.5 V, and from 6-7.5W via a ZMAX V2. I should have listened and tried one before wasting money on a whole 5 pack. Live and learn I guess, not something I would recommend at all, Sorry Royal Smokers.
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Awesome!!
October 4, 2012
Reviewer:
Guiseppe Vapomoto
from St. Catharines, ON Canada
Number one, these are fantastic! Easy to fill, hot vape, great flavor, tons of vapor! Now, to address the burnt taste people have been getting - I got it too. But, I discovered that it only happens with RY4 when the carto runs low. These give a really hot vape, so I am guessing that the sweeter flavors like RY4 caramelize a little bit. In fact, the burnt taste is similar to burnt sugar. When I used Tobacco blend there was NO burnt taste. So, my advice is to stay away from the sweeter blends and you will be fine. I am using the HR cartos and they run hot!! Tobacco tastes best in these. IT TASTES AMAZING!!! Enjoy!!!
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Not what I was hoping for!
May 26, 2012
Reviewer:
John Fiore
from Woodbridge, ON Canada
I followed the instructions and filled the cart accordingly.. I found that they are quite messy and all I tasted was plastic. Not for me.. I'll be sticking with the jumbo dual coils... My suggestion would be to buy 1 not 5 to see if the product is right for you.
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In Vape heaven With These Baby's
April 25, 2011
Reviewer:
Robert&Marleen
from Aylmer, ON Canada
We love these CE2 Cartomizers & use them in our daily vaping routine now..holds lots of juice..gives great taste with billowing clouds of delicious vapor..We've never encountered any filling problems for us but just remember to where your glasses to see those two tiny elusive fill holes..lol..these are a great price too & you can't go wrong with that since you can refill them multiple times..A big thanks to "Happy Vaper" for their great service & quality vaping products you guys are the best :-)
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Amazing quality to cost ratio!
March 27, 2011
Reviewer:
Mihai Onufrei
from Etobicoke, ON Canada
Quite possibly the best "cartomizer"/tank system ever... it's got no polyfilla, and a ceramic bowl around the heating element (as opposed to metal), and it holds 1.8ml of juice...
It's a bit of a hassle to fill since you have to use a special syringe, but the taste is dope.
At times it doesn't wick as well as a normal atty and hence the very mild burn taste some Utubers have mentioned; still, as long as you remember to tip the cart so that your eGo's/whatever's battery is up so the juice flows down the wick b4 you vape, this is no issue.
The vapor production scores a strong 8.5 on MY 10 scale, so it's safe to say that I think it's awesome. But, what I really want to emphasize is the taste of the vapor; you haven't tasted vapor like the one that a ceramic bowl atty produces unless you're a dripper, but even then, it can definitely stand on it's own two feet...
I'd strongly recommend giving it a try; at less than $15 for a pack of 5, you simply can't go wrong.
Not what I expected... 
Awesome!! 
Not what I was hoping for! 