NewHaler

There could be several reasons for the harshness. And without having the unit in front of my I can only speculate. User error is usually the first choice but hopefully that is not the case here. If you have a low resistance cartomizer & don't use enough juice that would produce harshness. I would check the voltage output from the battery & the resistance on the cartomizer. Some high mg liquids seem harsh to some also. Getting the right combination battery & cartomizer or atomizer is a great place to start. This is why why the variable volt mad scene is so rampid. Anyway this is just my opinion & we all have one. I sure your situation can be worked out rather eaisily.

It always gets worse before it gets better... Hopfully there is a better to come.

Just explaining my personal experence using LR Atty's & what I perfer over other options & battery/atty combinations.

I personally use a LR atomizer on a Joye Tech 510 when I'm sittin in front of the computer. The LR atomizer gives me personally a better vapor than a standard atty. All a low resistance (Ohms) Atty is doing is in theory allowing the battery to use more of it volts. (by creating less resistance) With a regular atty you would have to increase the batteries voltage (3.7v-7.4v) to get about the same result. But when I increase the volts i seem to get that burnt taste sometimes or a serious throat hit. (which some people are looking for) You really need to experiment on which combination of batteries & atomizers or cartomizers work best for you. Each person is different & will have different expectations. This is way the E-cig world is full of different products. The only way you can go wrong is if you purchase a cheaply made product. Frank

Here is a pretty neat way to refill cartomizers. Gotta love YouTube Hope this helps somebody out. Frank

Congrats on your purchase. You are now heading down the vaping path. Good Luck Frank

The best way I found as someone else has suggested is to just blow as much juice into a paper towel (out the connector end) & fill it with fresh juice. Also I try not to mix to many different flavors in the Attys. I try to keep them in families. I.E. Choclates, Menthols, Tobaccos, etc. seperate from each other. I wouldn't use alcohol in my Atty's. It would be like washing out my coffee pot with soap. It gets it clean but doesn't taste to good. :-) Frank