I've been using a Boge 3.0 ohm 2 hole cartomizer for the past 7 days. The reading on my device originally said 2.8 on the first day, but is now reading out at 3.9. This is being used at a regular 8.0 watts. Does anyone know why this happens? It does this with all my cartos and am worried about shorting my device.
Cartomizer Ohms Increasing with use?
- Thread starter DrPugglestein
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I don't know why this happens. I have seen it before too, but not as much as 2.8 going to 3.9. This will not short anything. A short is very low resistance, not high, so don't worry about that 
They usually hit about 3.7 then burn out. I was concerned about it being so high up there in the readings.
I have read that as they 'gunk up' the added mass increases the resistance. Seems odd, but possible.
Total Guess:
Think of the wire as a lot of slices of cross-section end-to-end. In other words....like pennies stacked. Now, if there's any "pits" in the wire, it's like one of the pennies has a chunk cut out of the edge. Now that becomes a thinner-wire-point. The net effect is that thinner wire INCREASES resistance. Just 1 pit makes the whole wire seem thinner in that it's a "choke point" in the flow.
So the best guess answer is microscopic pitting of the wire.
I don't see gunk doing it per se. No more than insulation on a wire would increase it's resistance.
However, gunk/insulation may let the wire get hotter than it would otherwise and heat increases a wire's resistance. But we're talking about wire we WANT to heat here....
Think of the wire as a lot of slices of cross-section end-to-end. In other words....like pennies stacked. Now, if there's any "pits" in the wire, it's like one of the pennies has a chunk cut out of the edge. Now that becomes a thinner-wire-point. The net effect is that thinner wire INCREASES resistance. Just 1 pit makes the whole wire seem thinner in that it's a "choke point" in the flow.
So the best guess answer is microscopic pitting of the wire.
I don't see gunk doing it per se. No more than insulation on a wire would increase it's resistance.
However, gunk/insulation may let the wire get hotter than it would otherwise and heat increases a wire's resistance. But we're talking about wire we WANT to heat here....
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Would cleaning the carto help bring the resistance back down if it IS gunked up?
All Boge 3.0's? 7 days is a good run for any carto- are you using thick, dark and sweet eliquids?
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IF the gunk caused increased resistance, then yes. Maybe gunk is an insulator and juice is a very-slight conductor. So no gunk=less resistance.
Bet it doesn't matter unless the gunk stopped loops from touching or something.
Coils increase resistance with use.
However, my 30 ga wire doesn't change much if that's worth anything. Quality and gauge of wire may count too.
I am using a very light brown, almost clear, colored liquid that is sweet and pretty thick compared to other juice I find in most other places, probably because of the pg/vg. Butter rum flavor. 20PG/80VG, the PG irritates my throat.
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