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Vaporesso Estoc Mega tank with EUC coil & ceramic wick

Discussion in 'Reviews' started by Noe, Oct 28, 2016.

  1. Noe

    Noe Adorably quirky ... QUIRKY Noe! VCA Approved Post Whore

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    Thanks to HeavenGifts & Christina our HeavenGifts rep, I have received free for review the Vaporesso Estoc Mega tank with EUC coil (ECO Universal coil).


    Unboxing:
    The Estoc Mega comes in a plastic wrapped, cardboard box, which has a cloth tab to pull & slide the inner contents out with. There was no scratch to reveal sticker, to check authenticity.
    On the back there is some information about the Estoc Mega & a list of contents inside the box.
    On one side of the box is some warnings & information about the coils, the other side has the Vaporesso logo & a sticker to indicate the tank color.

    (all photos can be clicked on to see in full size)
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    Opening the box, you need to pull on the cloth tab to slide the tray out, then lift a cardboard flap to get to the goodies inside. The first thing you'll find is a little black envelope with Vaporesso written in silver on the front.
    Under the envelope you'll find the Estoc Mega, a spare glass tank & a spare coil in a foil backed plastic capsule.

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    Inside the envelope is an instruction manual, warranty card & some product information cards.

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    Lifting the plastic holding the tank & other parts out, you'll find a bag of spares, which is two different types of orings & a grey vape band which Vaporesso are calling a "Cover Lid", the Estoc Mega comes with the red version already fitted.

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    Assembly & Filling:

    The Estoc Mega is well machined & the black coating is a quality finish.
    The tank comes apart so that the coil can be replaced while you still have juice in the tank. To do that you will want to take the drip tip out (so you can stand the tank on your desk etc) & hold the tank upside down. Then you will be able to unscrew the base from the tank without having juice pour out through the wicking holes on the chimney "sleeve".

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    The tank comes apart for easy cleaning.

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    The coil has a cotton outer wick, surrounding a ceramic wick with the coil on the inside of the ceramic. So air flows up through the center of the coil.
    The coil heads just press into the base of the tank, there is no screwing required on the coil heads but once press fitted into the base they hold well enough that they won't fall out unless you want them out.

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    The coils are marked well & indicate the material of the wire, the ohms & the suggested wattage range, as well as having "ceramic" etched on them to indicate the wick type.

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    Filling is from the top & for this you need to unscrew the top cap. You can leave the "vape band" on the top cap or remove it when doing this, either way is fairly easy. Unless there is a drop of juice under the "vape band" & then it can make it a bit more difficult to unscrew the top cap with it on.

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    When refilling I did not bother to close the AFC & the Estoc Mega did not leak or gurgle because of that.
    Filling with any type of bottle you have will be simple, you could even pour juice in from bottles without dripper nozzles, just don't pour juice into the chimney in the middle.

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    You can fill the tank all the way up to just below the chimney threads without experiencing problems. If you fill above this level, it may cause juice to leak out the top around the top cap or into the coil (causing gurgles/leaks).

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    In use & final thoughts:

    The Estoc Mega, performs quite well, it delivers loads of vapor for reasonable sized cloud production. It's not going to help you win any cloud competitions but that is not what it was designed for IMO.
    I feel this would be a good tank for new vapers, looking to upgrade from starter kits such as AIOs.

    The exception to the above would be vapers that enjoy tobacco or creamy desert style juices, in testing tobacco flavors were muted.
    I did not test creamy desert style juices but having used & experienced other ceramic wick tanks, the similarities between their performance & this tank leads me to believe that these types of juices would also be muted.
    Fruit flavored juices are where this tank is really going to shine, if you like your fruit flavors then tanks with ceramic wicks are something you should definitely try.
    I tested the Estoc Mega with a Blueberry Doughnut flavor & the Blueberry stood out, with the Doughnut in the background, compared with a tank using cotton wicks, the Blueberry was more pronounced.

    The tank has not leaked at all during my testing, even when sitting for a week half filled with juice & untouched, many tanks will have a small (sometimes large) amount of leaking when performing this test but the Estoc Mega passed with flying colors.
    The AFC works well, however it is rather stiff to turn & in practice I found it easier to remove the tank from my mod then adjust the AFC to a different setting, this is a con, AFC should be more easily adjustable.
    The AFC does have a stop at wide open & fully closed positions, so this is a plus, as it means you can adjust your AFC in the dark & know if it is wide open or full closed or somewhere in between (if you can get it to turn while on your mod).
    To be fair, once you have your preferred air flow setting, you probably don't want to change it but fine tuning your AFC, initially, may be a little annoying with the Estoc Mega.

    The EUC coils work well, I don't really see how they are more environmentally friendly than similar replaceable coil heads though, to me this is just a marketing ploy.
    I tried using the SS316 coil in Temp Control mode on my mods & the temp protection warning kept coming up, so while SS316 can be used in TC mode, these coils are not really designed for TC & will not give a good vaping experience used in TC mode, I feel.
    In Wattage mode is where the SS316 performed well, running at about 34W, the vape was warm & plentiful, with good flavor.

    Overall the Estoc Mega gets a thumbs up, it is well made & mostly easy to use & fill.
    I also like the looks of it, a mostly plain black tank with a small Vaporesso logo laser etched on one side.
    It produces a good vape (better with fruit flavors, not so good with tobaccos) & is unlikely to leak or gurgle.
     
    rupert and emu like this.
  2. Noe

    Noe Adorably quirky ... QUIRKY Noe! VCA Approved Post Whore

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    Paging @emu, I know you use other Vaporesso ceramic coils & like them, this tank may be of interest to you :)
     
    emu likes this.
  3. emu

    emu Banned

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    Yes mate I am interested mainly because of the cotton wick surrounding the ceramic, when I was using the Iciga BDC pro a couple of years ago the ceramic was very open with holes you could actually see and the juice was absorbed easily but the cCell coils by Vaporesso are smooth and they don't like 80 VG juice.
    I was thinking that the contact between the cotton and the ceramic might encourage the high VG juice to flow better into the ceramic with capillary action.

    What ratio were you using Noe?
     
  4. Noe

    Noe Adorably quirky ... QUIRKY Noe! VCA Approved Post Whore

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    50/50 (a little higher than I normally use on the VG) for the Blueberry doughnut.
    What I found was that the cotton doesn't burn, when "dry firing" (firing & not vaping) & that it seems to prevent dry hits when chain vaping.
    I don't really regard the cotton as the wick, the ceramic is what is in contact with the coil, so I consider that to be the wick, the cotton I consider to be a wick assistant.

    I'll vape the remainder of the juice out of it & fill it with a 80% VG mix to test over the weekend & let you know how it performs :)
     
    emu likes this.
  5. emu

    emu Banned

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    Thanks mate I'll look forward to your finding, do those coils fit other tanks?
     
  6. Noe

    Noe Adorably quirky ... QUIRKY Noe! VCA Approved Post Whore

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    They are not screw in, they are "drop in" no threads top or bottom but sit much like the Joye AIO coils do to make contact. The pics in my review give you a better idea.
     
    emu likes this.
  7. Noe

    Noe Adorably quirky ... QUIRKY Noe! VCA Approved Post Whore

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    It can be used with Estoc Tank / Target Pro/ ORC/ Gemini Tank (needs an extra sleeve) . $16US for a 10 pack on HG, which at present is 15% off for Halloween sale, you can also apply the AHG10 coupon code for an extra 10% off ;)
     
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  8. Noe

    Noe Adorably quirky ... QUIRKY Noe! VCA Approved Post Whore

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    @emu, I put about 2ml of plain VG into the tank & just added a little nic & flavor concentrates (maybe 0.5ml, maybe less), so the final mix is 80%VG or higher.
    Been testing for a few hours & no problems at all with wicking, even handled a brief chain vape without any dry hits.
    So to answer your question, these EUC coils handle max VG very well.
     
  9. emu

    emu Banned

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    Good job you big adorable bear, well done thanks for doing that.
    They are probably the first ceramic coils that I've heard of that can handle a high VG, must be the contact with the cotton that helps it absorb into the ceramic.

    :thumbup:
     
  10. Noe

    Noe Adorably quirky ... QUIRKY Noe! VCA Approved Post Whore

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    I think it may be & possibly the ceramic is a thinner shell, meaning the juice doesn't have to travel as far through the ceramic to the coil.
    I'm curious how it will hold up to a dry burn now, as that is one advantage of similar ceramic wick coils, dry burning does not hurt the ceramic & cleans the gunk. With the cotton on the outside I think it may be possible to dry burn carefully, as long as the cotton isn't getting too much heat.
     
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  11. emu

    emu Banned

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    You got me curious so I dismantled one of my old Vaporesso cCell coils, it's Kanthal 0.9 Ohm wire.
    I was surprised to see this one also is wrapped in cotton, the wire sits inside the ceramic but it is not
    fused into the ceramic.
    The cotton is more like a cotton sheet that you put on your bed, very strong and not what we are used
    to (the fluffy stuff we wick with). And it has two layers wrapped right around, the ceramic is wet with liquid
    so it must be wicking ok.

    The cotton is very clean as is the ceramic material although the wire is gunked up and black as you can see.
    I was running it at 22 watts with that burnt taste and tried a few lower watt settings but the lower ones were
    more like that weak battery taste.
    The recommended watts are 20-35 etched on the outside of the coil, so I wonder why I was having probs.

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  12. Noe

    Noe Adorably quirky ... QUIRKY Noe! VCA Approved Post Whore

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    Hmm I haven't tried those ones, so I don't know why you were having problems.
    I am using the EUC coil at around 34W without any problems, I did try it higher at around 42W & it was still working fine, although I prefer to use lower wattage when I can to get the kind of vape I want, rather than pumping in more watts (I'm not a cloud chaser, I just want good flavor & reasonable fog volume with warm, not hot, vapor).
    I rarely take any notice of the suggested wattage range etched onto a coil (the EUC has 25-35W etched on it), the determining wattage for me is where the vape is producing the best results for the type of vapor I want. If it is too high in wattage I'll know because the flavor will start to drop away & taste a little burnt or it'll dry hit, if the wattage is too low the fog production will be lower & the flavor will be a little weak, while the vapor may be on the cool side too.

    If you remove the golden casing parts of that coil head & just had the SS part, with the wick(s) & coil inside, then it looks much like the EUC coil (except I havent taken one apart), if you look at the 12th pic down in my review you can see the wick holes are similar in size & its a SS case much like the inner case on the CCell coil. I think what Vaporesso has done is taken that design & removed the golden housing, then put it on the chimney of the tank instead.
    The one thing that I can think of that may be contributing to the difference in wicking is, the gap between the EUC & the housing is more than the gap between the 2 shells on the Ccell coil. That is going to cause there to be a difference in pressure on th wicks, between the 2 types of coils I think & pressure has a lot to do with wicking, too much = flooding, not enough = dry hits. The more I think about it, the more it seems like the likely main difference, probably the only other thing it could be is the wicks - type of ceramic/cotton & maybe the thickness of the ceramic wick.
     
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