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JonboyUSMC's Lava Tanks

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ksmith

Vaping Master
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Feb 13, 2011
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Colcord, Oklahoma
I love everything about the design of the Lava Tank but ....... wouldn't it make sense to have an inner o-ring in the top cap? I was vaping some low nic juice, and because it just wasn't hitting the spot, I was taking longer harder draws. I found that a bit of liquid was making it into the mouth piece. While the top of the carto fits nicely into the top cap, it's not exactly air tight. Just a thought.

Pete, I'm not sure that a o-ring in the top would help in your situation. It sounds like you could be sucking juice out of the packing of the carto. You might try making the holes just a tad smaller and see if that helps without causing the carto to go dry.
 

jonboyusmc

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Dec 9, 2010
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4,215
Illinois
If you leave the white silicone cap on the carto, the small lip that extends outside the carto will act as a seal. I've never had any problems with juice seeping past, and I'm vaping some 100% PG at the moment. There is only .002" clearance per side on the top cap to the carto by 1/4" deep. I wanted to run an even tighter fit on the top cap, but there is too much variation from carto to carto. I had to use the largest diameter carto to get my dimensions. The tanks are slightly loose on the Boges, but place a IKV carto in there, and they get really snug. IKV cartos are .003/.004 larger than Boges. If I added an o-ring to the top cap, I believe I'd run into vacuum problems in the tanks, and they wouldn't wick very well. You need just a little outside air to get in to help equalize the vacuum pressure in the tank. I ran into this problem while prototyping my 510 atty tank.

I love everything about the design of the Lava Tank but ....... wouldn't it make sense to have an inner o-ring in the top cap? I was vaping some low nic juice, and because it just wasn't hitting the spot, I was taking longer harder draws. I found that a bit of liquid was making it into the mouth piece. While the top of the carto fits nicely into the top cap, it's not exactly air tight. Just a thought.
 
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