Is Vmod a "bottom feeder"? why do you have to turn it upside down?

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six

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Well, I suppose you could read all that.

The answer to your question, though: The REO has a section of tubing that goes from the atty connector to the bottom of the bottle. When you squeeze the bottle, it forces juice up that tube. The VMod does not have that section of tubing. So, unless the bottle is very full, squeezing the bottle doesn't push juice up to the atty and therefore, you must tip it over when you squeeze for the juice to make it to the atty.

Some people modify their Vmods to include a section of tubing to make it a straight squonker (like a REO) rather than a gravity feeder.
 

Giraut

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I've tried both systems - bottom-of-the-bottle and top-of-the-bottle feeding. The former has the tube that connects the bottom of the bottle to the atty and just requires squonking to wet the coil, while the latter has no tube and requires turning the mod upside down before squonking.

At first glance, tube-less systems seem less desirable, as they require an extra step to feed the atty. But it's not that simple:

1/ Feeding system with a tube

* Pros:

- Easy, upright squonking
- Possibility to look down the atty to see the juice come up

* Cons:

- Excess juice doesn't return easily into the bottle, because since the tube is almost always full of juice, it's nearly impossible to create a vacuum inside the bottle manually without filling up the atty with the content of the tube.
- Any unwanted pressure pushes juice out of the bottle.
- Impossible to use the content of the bottle to the last drop (the tube can't collect all of it at the bottom of the bottle).
- Tendency to self-feed if the draw is tight (vaping naturally sucks juice from the bottle into the atty).
- Messy wet tube dangling and dripping into the mod's innards when removing the bottle.
- If changing flavor, the tube still contains some of the previous flavor, preventing an immediate switch.

2/ Feeding system without a tube

* Pros:

- If there's too much juice in the atty, keep mod upright, press the bottle to flush some air out of it, keep pressing for a second, then release quickly to create a vacuum that sucks excess juice back into the bottle. It makes it very easy to precisely control how much juice there is in the atty.
- With sticky juices, no need to squonk with the mod upside down: turn the mod upside down to wet the top of the bottle, turn the mod back right side up, then squonk to shoot the juice that sticks temporarily to the top of the bottle into the atty. When releasing the bottle, any excess juice runs back into the bottle.
- No self-feeding possible.
- Less mess when disconnecting the bottle.
- More immediate flavor switching / less mixing of flavors.
- Ability to empty the bottle to the last drop.

* Cons:

- Looking like you're playing with a rattle when feeding juice into the atty.
- If the catch cup or the atty are very wet or filled up with juice, you may end up dripping juice on the floor when flipping the mod upside down.
- I find the atty tends to run drier or "leaner" (feeding more sparse, juice more easily sucked back into the bottle), requiring feeding it more often.
- Very hard to check how the atty is wetting while squonking.

In short, for me, a tube-less system lets me control more precisely how much juice the atty is fed and is generally less messy, while a system with a tube is easier to use and requires fewer movements while vaping. I'm still undecided about which one I prefer, but I'm leaning towards the tube-less variant.
 

super_X_drifter

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I've tried both systems - bottom-of-the-bottle and top-of-the-bottle feeding. The former has the tube that connects the bottom of the bottle to the atty and just requires squonking to wet the coil, while the latter has no tube and requires turning the mod upside down before squonking.

At first glance, tube-less systems seem less desirable, as they require an extra step to feed the atty. But it's not that simple:

1/ Feeding system with a tube

* Pros:

- Easy, upright squonking
- Possibility to look down the atty to see the juice come up

* Cons:

- Excess juice doesn't return easily into the bottle, because since the tube is almost always full of juice, it's nearly impossible to create a vacuum inside the bottle manually without filling up the atty with the content of the tube.
- Any unwanted pressure pushes juice out of the bottle.
- Impossible to use the content of the bottle to the last drop (the tube can't collect all of it at the bottom of the bottle).
- Tendency to self-feed if the draw is tight (vaping naturally sucks juice from the bottle into the atty).
- Messy wet tube dangling and dripping into the mod's innards when removing the bottle.
- If changing flavor, the tube still contains some of the previous flavor, preventing an immediate switch.

2/ Feeding system without a tube

* Pros:

- If there's too much juice in the atty, keep mod upright, press the bottle to flush some air out of it, keep pressing for a second, then release quickly to create a vacuum that sucks excess juice back into the bottle. It makes it very easy to precisely control how much juice there is in the atty.
- With sticky juices, no need to squonk with the mod upside down: turn the mod upside down to wet the top of the bottle, turn the mod back right side up, then squonk to shoot the juice that sticks temporarily to the top of the bottle into the atty. When releasing the bottle, any excess juice runs back into the bottle.
- No self-feeding possible.
- Less mess when disconnecting the bottle.
- More immediate flavor switching / less mixing of flavors.
- Ability to empty the bottle to the last drop.

* Cons:

- Looking like you're playing with a rattle when feeding juice into the atty.
- If the catch cup or the atty are very wet or filled up with juice, you may end up dripping juice on the floor when flipping the mod upside down.
- I find the atty tends to run drier or "leaner" (feeding more sparse, juice more easily sucked back into the bottle), requiring feeding it more often.
- Very hard to check how the atty is wetting while squonking.

In short, for me, a tube-less system lets me control more precisely how much juice the atty is fed and is generally less messy, while a system with a tube is easier to use and requires fewer movements while vaping. I'm still undecided about which one I prefer, but I'm leaning towards the tube-less variant.

Using exclusively tube fed REOsmods for nearly a year and a half and I don't experience any of the cons you mention.

Not being able to vape the last drop? Are you being serious? You just unscrew the bottle and refill it :)

Wet messy tube? You just stick a piece of paper towel under it when you refill.

Sucking juice into the heater? Not. Not even when I used cartos.

Maybe correct on the flavor ghosting thing though.

One thing it would be important to mention IMO is that there really aren't any quality non tube feed systems out there let alone one designed to accept Rebuildable Atomizers so you have zero choices available if RBAs are in your cards or want a high quality durable product :)
 

Giraut

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Not being able to vape the last drop? Are you being serious? You just unscrew the bottle and refill it :)

What if you want to change flavor and you don't want to pour the remainder of the mod's bottle into the juice bottle it came from?

Wet messy tube? You just stick a piece of paper towel under it when you refill.

Well, messy...

Sucking juice into the heater? Not. Not even when I used cartos.

I've experienced it just yesterday. Just because you've never experienced it doesn't mean it doesn't happen.

One thing it would be important to mention IMO is that there really aren't any quality non tube feed systems out there let alone one designed to accept Rebuildable Atomizers so you have zero choices available if RBAs are in your cards or want a high quality durable product :)

My Firebox does both tube and non-tube, and accepts RBAs.
 

six

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My Firebox does both tube and non-tube, and accepts RBAs.

That struck me as interesting in Advi Julien's video. It has a cone, but the cone isn't necessary to the construction like the cone on a Vmod is. I couldn't quite figure what, therefore, the point of the cone is for the firebox. Is it just aesthetic?

I think I'm going to agree about "to the last drop" and "messy tube" being non-issues. I'm going to add that the only "unwanted pressure" I've ever experienced was while flying, and once when I overfilled the bottle at 7900 feet above sea level and then descended to 3700 feet above sea level while driving. If I flew every day or drove over that pass every day, I'd probably consider under filling a little.

Changing flavors... This is a bit of a pet peeve of mine. The first year and a half of vaping for me was almost exclusively dripping. I kept more flavors on hand than Baskin-Robbins. I still drip about the last hour or so of every day. -- No bottle, no tube, no o-rings to hang on to previous flavors - nothing but an atty and some juice. The one and only way to achieve an immediate change of flavor is to keep a separate atty for each flavor and change the atty when changing flavors. This is true no matter if you are using a tube mod, a box mod, a bottom feeder, a top feeder - It is just true. To have an immediate flavor change, you need to change the atty and the juice supply both.

Feeders of any sort just don't make sense if the user wants to change flavors often while also using the feed feature. Nothing stops someone from using a feeder for dripping, or even putting a carto tank on their feeder and simply not using the feed feature... but the fact remains that this should also be a non-issue when considering any feeder because no feeder lends itself well to immediate flavor change. There are better devices and better methods for that purpose if that's what's important.

Feeders are very good at hassle reduction. You get to carry one device and in some cases maybe a spare battery. That's what they are really good at. Carrying multiple bottles of juice, multiple attys, napkins, and any other items related to changing flavors really defeats the purpose of a feeder.... which seems to me is the fact it gives you the ability to only have one thing with you and with that one thing, you don't have to do anything but vape when you want to and then put it back in your pocket.
 

Giraut

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That struck me as interesting in Advi Julien's video. It has a cone, but the cone isn't necessary to the construction like the cone on a Vmod is. I couldn't quite figure what, therefore, the point of the cone is for the firebox. Is it just aesthetic?

Well, with a larger device like the Mini A7, the edges of the RDA rest on the slope of the catch cup, so it's stable. A Cisco or the supplied ACA atty is a bit too wobbly in the socket for my taste though, and the cone does a very nice job at supporting the top of the atty. It's also a metal thing, and a sturdy one at that. You could probably drop the mod on the floor, atty-end first, and nothing would happen with the cone. I'd say the cone is more than just cosmetic, considering the armored tank nature of the whole device.

Changing flavors... This is a bit of a pet peeve of mine.[...] Feeders of any sort just don't make sense if the user wants to change flavors often

You misunderstand me: I'm talking about getting to the end of a bottle and refilling it with something different that you don't want to mix with the previous flavor. With a tube, you're left with a little bit of juice at the bottom of the bottle, that you either have to return to the original juice bottle if you don't like to waste, or throw away. Without a tube, you can use up all the previous juice, and there's only what sticks to the walls of the bottle left, that you can wipe away with a rolled up paper napkin if you really, really don't want to mix flavors.
 

kiwivap

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Sounds like the difference is the REO comes with a tube so you can squonk the liquid up, but the VMOD doesn't, so if you want to squonk it, you'd have to find a suitable tube and put it in...........

Its not really a big deal. I have a VMod XL and have used it a lot. I tilt it a bit sideways to squonk it is all. If the bottle is really low on juice I turn it upside down - but mostly I just refill or put another full bottle in.
 

six

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You misunderstand me: I'm talking about getting to the end of a bottle and refilling it with something different that you don't want to mix with the previous flavor. With a tube, you're left with a little bit of juice at the bottom of the bottle, that you either have to return to the original juice bottle if you don't like to waste, or throw away. Without a tube, you can use up all the previous juice, and there's only what sticks to the walls of the bottle left, that you can wipe away with a rolled up paper napkin if you really, really don't want to mix flavors.

Maybe I did misunderstand. Each of my REOs came with two bottles. And, other appropriate bottles of the same size are only a few cents each from numerous and various sources. I'm not quite sure why you would use the same bottle for the next flavor when it would be easier to just use a different bottle.... At least for the REO anyway. If you are talking about the difficulty wit the firebox, I'd have to suggest you ask them to sell you more bottles or figure out what bottle it is and buy a whole bag of them from another vendor.
 

edyle

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Its not really a big deal. I have a VMod XL and have used it a lot. I tilt it a bit sideways to squonk it is all. If the bottle is really low on juice I turn it upside down - but mostly I just refill or put another full bottle in.

I actually prefer the raw simplicity of tilting the thing to wet the coil than rely on the quality of the bottle material to stand up to frequent squonking.
 

kiwivap

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I actually prefer the raw simplicity of tilting the thing to wet the coil than rely on the quality of the bottle material to stand up to frequent squonking.

Have you used the VMod or a Reo? If you haven't - squonking is a small amount of pressure on the bottle and takes a sec. Also don't have to squonk for every inhale - just when the juice needs replacing at the atty. I like the squonking - I learned how to control the juice flow that way pretty quick. The VMod bottles are resilient - I've used mine a massive amount of times and although I have a bunch of spares I haven't needed them yet. Still on the same three bottles as when I bought it ages ago. I'm looking at Reos as well. But I would really like a VW so the Firebox has me curious. Girauts review says is quite heavy tho.
 
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Giraut

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I'm not quite sure why you would use the same bottle for the next flavor when it would be easier to just use a different bottle....

Because I'm a skinflint :)

If you are talking about the difficulty wit the firebox, I'd have to suggest you ask them to sell you more bottles or figure out what bottle it is and buy a whole bag of them from another vendor.

No problem, I have a bunch of compatible bottles here. I just don't want to use them up. As I said, I'm a bit of a cheapstake ;)
 

edyle

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Have you used the VMod or a Reo? If you haven't - squonking is a small amount of pressure on the bottle and takes a sec. Also don't have to squonk for every inhale - just when the juice needs replacing at the atty. I like the squonking - I learned how to control the juice flow that way pretty quick. The VMod bottles are resilient - I've used mine a massive amount of times and although I have a bunch of spares I haven't needed them yet. Still on the same three bottles as when I bought it ages ago. I'm looking at Reos as well. But I would really like a VW so the Firebox has me curious. Girauts review says is quite heavy tho.

Oh, no I don't have a Reo or vmod; [and like you I'm not in the USA]
I'm sure squonking is convenient, but it does introduce some wear/tear;
 

six

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It crossed my mind that revisiting the OPs question might be in order. There is a little more to why something is called a bottom feeder.

Bottom fed just refers to which side of the atty you're giving the juice to. This makes more sense when you know that there have also been top feeders. Top feeders have a bottle and a tube that goes to an adapter that sits above the atomizer so they drip juice down in to the atty rather than push juice up in to the atty.

I've had a couple of top feeders, and I'm pretty sure there are two (and sort of three) such devices still on the market. SuperT makes the vapemate. That device will turn most any tube mod in to a top feeder. Notcigs makes the VVPV which is a top feeder metal 'box' mod. I currently still own a VVPV (it is not on my recommended PVs list - I no longer endorse that one). I used to have a plastic box top feeder too. The plastic box top feeders were available from several sources three or four years ago, but never really caught on... they were just a little too hard to control the amount of juice going to the atty. The (sort of) third one still available is a perfume bottle with a tube and a top feed adapter you can rubberband to any mod you want to. It is also sold by notcigs.

There was also another top feeder that had it actually worked out might have pretty much replaced all other high end mods. That one was called the Eclipse EQ. It was VV, held an 18650, was top fed, and had a programmable electric pump to deliver juice to the atty. It was years ahead of its time. --- and unfortunately, probably because it was so far ahead of its time, it had some problem that caused it to be recalled.... and the project ran out of money... and that was that. It was unfortunate.... but I'll say for sure that if I were crazy rich, I'd find those guys and throw money at them until they got it working with today's electronics and could make it bomb proof. I still think it could be a very popular product.
 
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