First off I would like to thank everyone on the forum for all the advise/information I have gotten here, I dont post much since I am usaully able to find the answers or info I need with a search. Sorry if this question has been asked but I was unable to find any info on it, my question is what are the advantages and or disadvantages to using low ohm coils (1.8-2.2) versus higher ohm coils?. One of the reasons I am wondering about this is because it seems like after about 3-4 tanks of "juice", depending on the flavor, the performance degrades so much I almost want to change out the coil to get that "new coil" vape again, even though it is still working, but not to my liking, Thanks in advance for any and all help!!!!
Low ohm VS High ohm
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I use high resistance cartos. I get more time out of my batteries, but the real reason is, I get way less gunking issues from them. One flavor I use is great in low resistance coils, but after two pulls, it's bunk. I get the same great flavor working until I'm done with it in the high resistance cartos. I only use variable devices, so it doesn't matter beyond the gunking issue and current needed.
RBAs..I bounce around. I think I prefer low resistances when the coil is too small for wick to go through it, and it just rests on a small amount of cotton, and I prefer mid-high resistance for larger diameter coils.
RBAs..I bounce around. I think I prefer low resistances when the coil is too small for wick to go through it, and it just rests on a small amount of cotton, and I prefer mid-high resistance for larger diameter coils.
Sugary e liquids seem to gunk up my coils faster than just menthol liquids. I have 2 setups, one for menthol and one for whatever other flavor im using at the moment. My menthol coils always lasts much longer than the sugary and non menthol ones. I have a few different ohm coils but havent noticed much of a difference in coil life between them. I have some 3.5 coils on their way, it will be interesting to see how they work.
A look at the history of vaping is where you'll find the answer to this question...
When the eCig was first introduced, there was no such thing as a regulated variable voltage or wattage device... Everything was based on a single 3.7V battery, while at full charge would be somewhere around 4.2V and would drop as low as 3.2 before it would cut off and you would have to charge it.
So, in order to appease the masses, atomizer manufacturers started offering varying resistance values of their atomizers. By changing atomizers from high resistance to low resistance, you were effectively raising the power at which you were vaping, it would produce a hotter coil and a different experience if you wanted a warmer vape. Some folks liked their juices better with a cool vape, some liked it hot. The lower the resistance, the hotter it vapes on a fixed voltage device.
With the advent of variable voltage devices, we can now adjust the power, or effective heat output of the coil, by simply adjusting the voltage (or wattage for VW devices) up and down. So if you have a regulated adjustable device, the resistance (ohms) of the atomizer is somewhat irrelevant. I personally like to stick with atomizers in the 2.0-2.5 range, as it gives me a wider range of power, or temperatures to play with. The higher ohm (3.0+) atomizers will max out at 12 Watts @ 6 Volts, so the get the full 15 watt output power of a modern VV/VW device, 2.4 Ohms is the max resistance you can use to get to that level of power.
For mechanical users, which are just basic ~3.7V fixed voltage devices, you'll see folks diving way under 1 ohm, and that's so they can get a lot more power on the coil. For example, a .5 Ohm coil @ 3.7V is going to yield ~27.4W of power, which is something you're just not going to be able to achieve with a regulated mod. There is a DNA30 regulated chipset from Evolv that will be available in the near future that will be able to pull it off, but for now a mech with a sub ohm coil is the only way to get into high powered (20+ Watts) vaping.
When the eCig was first introduced, there was no such thing as a regulated variable voltage or wattage device... Everything was based on a single 3.7V battery, while at full charge would be somewhere around 4.2V and would drop as low as 3.2 before it would cut off and you would have to charge it.
So, in order to appease the masses, atomizer manufacturers started offering varying resistance values of their atomizers. By changing atomizers from high resistance to low resistance, you were effectively raising the power at which you were vaping, it would produce a hotter coil and a different experience if you wanted a warmer vape. Some folks liked their juices better with a cool vape, some liked it hot. The lower the resistance, the hotter it vapes on a fixed voltage device.
With the advent of variable voltage devices, we can now adjust the power, or effective heat output of the coil, by simply adjusting the voltage (or wattage for VW devices) up and down. So if you have a regulated adjustable device, the resistance (ohms) of the atomizer is somewhat irrelevant. I personally like to stick with atomizers in the 2.0-2.5 range, as it gives me a wider range of power, or temperatures to play with. The higher ohm (3.0+) atomizers will max out at 12 Watts @ 6 Volts, so the get the full 15 watt output power of a modern VV/VW device, 2.4 Ohms is the max resistance you can use to get to that level of power.
For mechanical users, which are just basic ~3.7V fixed voltage devices, you'll see folks diving way under 1 ohm, and that's so they can get a lot more power on the coil. For example, a .5 Ohm coil @ 3.7V is going to yield ~27.4W of power, which is something you're just not going to be able to achieve with a regulated mod. There is a DNA30 regulated chipset from Evolv that will be available in the near future that will be able to pull it off, but for now a mech with a sub ohm coil is the only way to get into high powered (20+ Watts) vaping.
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