The gunk is normal on a coil thats run a lot of juice through it... but three days is not long for a coil to die?
Temp control wise, a 75w mod will do just fine and start at 390f or 195c and work your way up.. You can use the SS coils in temp control too.. if the mod supports it then all the better, but will run on a DNA40 or Yihi chip in temp control. but you will have to find the temp manually as the readings will be out.
A SMok Cube II, DNA200 or Yihi SX J chip all support SS coils in temp mode with the latest firmwares.
Temp control wise, a 75w mod will do just fine and start at 390f or 195c and work your way up.. You can use the SS coils in temp control too.. if the mod supports it then all the better, but will run on a DNA40 or Yihi chip in temp control. but you will have to find the temp manually as the readings will be out.
A SMok Cube II, DNA200 or Yihi SX J chip all support SS coils in temp mode with the latest firmwares.
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