I use the 3ml J-tank from Electronicstix.com and use both VR's KPB and NLV's BountyHunter with no problems AT ALL and got a saddle valve from my local hardware store for about 7bucks and works fine. You can also get the 5ml tanks also. Haven't tried the smoketech tanks from MadVapes but PBusardo has had major issues with his. Good Luck on your trip and finding the perfect set up for your trip.
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