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Cart Mod for better refilling

Discussion in 'Tips and Tricks' started by opusMorian, Apr 4, 2009.

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  1. opusMorian

    opusMorian Senior Member ECF Veteran

    Feb 14, 2009
    Houston, TX
    I came across this when I was doing a USB pass through mod.
    The issue is that every time I try to refill, I can only get about 3-4 drops in the cart before it fills to the top. I know the 901 carts with the sponge material can take at least 7 drops. I made a small modification by cutting about 1.5mm off from the bottom of the sponge material, then insert a shrink tube (any straw like material with an hollow center will do). The shrink tube's inside diameter is about the same as a toothpick. With this mod I was able to fill about 7-12 drops before it was full. I am also able to vape longer without refills.

    The Idea:

    The Steps:
    Cut a length of the straw to the size of the cart chamber minus 1.5mm.

    We also need to cut a angled slit to expose the cross section of the straw on the bottom.


    Here is what it looks like in a cart with the sponge material.

    Been vaping for about a week and it works perfectly!
  2. GrimmGreen

    GrimmGreen Unregistered Supplier ECF Veteran

    hmmmm , that's a decent idea... i'll have to give it a go
  3. Fox3

    Fox3 Senior Member ECF Veteran

    Mar 24, 2009
    Seattle, WA
    Makes sense to me!

    When I am refilling I can watch the bubbles work their way through the pool of liquid at the top. Your mod provides a perfect solution to the trapped air!

    Thanks, much appreciated (why didn't I think of this :oops:)
  4. Tasdad

    Tasdad Senior Member ECF Veteran

    Jan 8, 2009
    Pittsburg, KS
    Very cool!

    Make sure your straw doesn't get near your atomizer. That would not taste good. 8-o A metal straw might be a better idea. No worries about it melting.

    This is the same reason people use syringes. Seems like this would be better than carrying needles around though.
  5. opusMorian

    opusMorian Senior Member ECF Veteran

    Feb 14, 2009
    Houston, TX
    The straw melting was one of my concerns, but so far, with the liquid constantly being provided to the atomizer, I did not taste anything burnt. I was thinking about cutting a syringe, but not sure where I can get one at the time. I will be interested in seeing what else people can come up with as a straw that we can all use.
  6. Recycled

    Recycled Full Member Verified Member ECF Veteran

    I started doing this with my 401 since you need an unbent paper clip to push the inner cart up anyway. This also works well with a 901.

    Drip 2 or 3 or however many drops the cart will take.
    Slide the paper clip down into the cart and squeeze the cart material against the side of the cart.
    This causes the material to wick up the liquid and leaves room for you to drip in much as it will take.
    You can repeat this and also move the material into position.

    With the 401, I also dip the end of the atomiser into any excess at the top of the cart, before reassembling. It's just like dripping.

    Vape away and keep 'em filled!
  7. jdm-chard

    jdm-chard Unregistered Supplier

    Mar 7, 2009
    clever idea. those 2 piece cigs where the atomizer and cartridge built together do in fact have a straw-like hole in the middle. maybe theyre for that same purpose?
  8. BJ43

    BJ43 Vaping Master Verified Member ECF Veteran

    Nov 27, 2008
    Clever may be better than a hole in the side of the cart. Strange the shrink tape doesn't shrink with the heat. I stripped a piece of covering from a copper wire and am giving it a try.
  9. cosican

    cosican Super Member ECF Veteran

    Mar 14, 2009

    THIS IS EXACTLY WHAT I DO, THE PAPERCLIP OR A METAL PICK, DOES THE JOB amazing how creative we all get, when it comes to our toys

    the straw or needle is also a grand idea. we gotta keep thses ideas always coming
  10. BarryK

    BarryK Senior Member ECF Veteran

    Oct 6, 2008
    Essex ENGLAND
    That's a Great idea - I usually sqeeze the thing until all (most?) of the air is gone.

    How about using the plastic tube from a cotton bud instead of a straw?

    I don't think it actually needs to come right to the surface of the filler, a couple of mm short should be OK to prevent the plastic coming into contact with the atomiser.
  11. BoiseMike

    BoiseMike Senior Member ECF Veteran

    Apr 9, 2009
    Boise, ID USA
    Or maybe try a short piece of those coffee stirring thingies. Everyone out to the breakroom to get one now.
    I think I'm gonna try the hole in the cart. Should help with the air release during filling as well as let the liquid flow down easily while vaping.
  12. Bootyology

    Bootyology Full Member ECF Veteran

    Mar 25, 2009
    I've been doing this with my 901 for a day.





    straw + fluval = nonstop amazing wicking. I've never been able to get so many drops of liquid into a cart. It just never stops giving me great vapor. Thanks for the tip... I've been using an m401 and dse901 concurrently since I started without being able to figure out which one i like better. Now I know for sure.

    If you don't have a small straw, you can make one one with a regular old drinking straw, cut it down to size, and roll it into the right size with some scotch tape.
  13. lorraineg57

    lorraineg57 Super Member ECF Veteran

    Mar 24, 2009
    Outside Pgh, PA
    I'm not sure what this accomplishes that a syringe wouldn't? Can someone clarify?
  14. feathersncream

    feathersncream Super Member ECF Veteran

    Apr 20, 2009
    Northern VA
    I just thought of something what about using a piece of one of those valves that u use to fill a soccer ball with
  15. Bootyology

    Bootyology Full Member ECF Veteran

    Mar 25, 2009
    lorraine - it affects not only filling, but also in flow to your atomizer. You get amazing drags, and your carts are good to the last drop if you use a polyester filling and a straw.

    Also you don't have to look like ...... addict. Also you don't run the risk of injecting yourself with nicotine and dying. It's utterly perfect. Try it!

    feathersncream - I have a slight suspicion that those might be a little bit too small for our purposes but honestly I have no idea. If it works, they would be perfect! Let us know if u try it :)
  16. Adik Ted

    Adik Ted Super Member ECF Veteran

    Feb 25, 2009
    Great thread opus with very clear pictures and illustrations. Would be good if someone built the idea into the carts. If it's as good as you say maybe you should patent the idea if that's possible.
  17. lorraineg57

    lorraineg57 Super Member ECF Veteran

    Mar 24, 2009
    Outside Pgh, PA
    Thanks, I give injections and draw blood at work so I have no issues with using needles. I don't think my nic juice will be strong enough to cause much damage anyway? (cut to 12mg or less) Any reason why putting the straw in and still filling the fibers with a syringe wouldn't work? "I'm sorry, yes I DO need five stirrers for my cup of coffee...."
  18. TnA

    TnA Super Member ECF Veteran

    Apr 19, 2009
    Fayetteville, NC
    Sounds like that would defeat the purpose of the straw, Lorraine. The straw allows air to escape as you drop liquid in, thus allowing you to fill your carts (faster?). I would think that using a needle does the same thing by injecting the liquid into the bottom of the cart, which would then force air to rise.

    So, from what I understand, your choice would be straw with dropper or risk looking like a drug addict by continuing to use a syringe. Personally, I'm not a very patient person and I find the syringe injection to be waaaay faster in filling my carts. :D

  19. lorraineg57

    lorraineg57 Super Member ECF Veteran

    Mar 24, 2009
    Outside Pgh, PA
    I thought maybe the air space at the bottom of the filler material or the straw would affect the draw, making it better? If not, I'm not going to bother trying it, like you, a syringe is fine with me. It seemed to me that using a dropper just leaves too much liquid lying on the surface with no way to tell if the filler material is saturated evenly.
  20. Bootyology

    Bootyology Full Member ECF Veteran

    Mar 25, 2009
    Yes -- the benefit of the straw is two-fold.

    1. It makes the draw better by allowing air to the bottom of the cart, as the liquid exits.

    2. And if you were to compare dropping in with and without the straw, you would see that the liquid is absorbed much more quickly and in far higher quantities -- once you realize how many drops your cart could possibly hold, you know that you are utilizing your cartridge to its maximum every time you fill. In my situation, with my specific choice and density in filler material, I know that every square millimeter of cart space has juice in it (save for the volume taken by the straw).

    Sorry to take up such a tone in speaking of syringes. I associate them with all things awful. If you do not have any issues with draw whatsoever, then syringes are perfect for filling your cart fully and evenly.
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