Ok I need help here.

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Nodnerb

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Ok. So I just added several drops of distilled water to the tank. No change. I don’t dare go over about 3 seconds hard draw or it’ll be dry. Still must wait 10 seconds before trying again or it’s dry for sure. Still vapin at 48 watts on a 40-100 watt coil. Recommended wattage is 60-80. Tried at 60 but didn’t even inhale because I knew it was a cough inducing dry hit.

I’m at a loss.
 
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Nodnerb

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Did you try just opening the fill port or removing the top for a few seconds? This will reset the internal pressure to match the ambient air pressure. If the pressure inside the tank is too low it's hard for the juice to flow, too high and it gets leaky.

Yeah I’ve tried that on this tank. And previously on the others. It may make the first hit a bit more tolerable. But that’s about it.
 
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Nodnerb

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Ok so I’m finding I can actually get it to wick a bit better but I have to suck on the thing like I’m trying to suck a golf ball through a garden hose. Do I really need THAT much vacuum for it to wick? I honestly am sucking as hard as I possibly can and can get to 55 watts or so. Still doesn’t seem right.
 
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DaveP

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I vape a Kayfun v2 more often than not (old standard EHPro clone tank) in MTL mode. I've generally mixed up 70pg juice for years and juice feed isn't a problem with that mix. If I mix 50pg juice I begin to get dry hits and have to cover the air ports here and there and draw a vacuum to re-wet the wick. In my case it's thicker juice that causes that problem.

Air flow that's too free will cause that problem to surface. Juice feed in any tank is sensitive to air flow. Whatever the mix that tank is designed for is critical to juice feed. If you can restrict the air flow you will get more juice feed and that can offset the issues with thicker juice.

If all that isn't the problem, then I'd look at replacing all the o-rings. If they aren't sealing, then you won't pull the vacuum you need to make juice flow. Lube the o-rings with a little juice before screwing the parts back together. Since you say that it occurs with multiple new tanks I'd say it's not an o-ring problem.

Try closing down air flow and see if juice feed begins to improve. It's all about vacuum in the tank pulling juice into the coil.
 
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stols001

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This is kinda where I say... Do you have a competent vape shop? If so, go there because I am completely at a loss.

I think it's the tank, coils, SOMETHING. I used to use max VG in 1.8 coils in a Nautilus 2.

Something isn't right but I have NO CLUE what, although I am kind of guessing your equipment, coils, or both.

Good luck with it.

Anna
 
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Topwater Elvis

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Just because a thousand other people say a 'tank' is really good doesn't mean you will like it / get along with it or should, or there is something wrong with you/your style/method of vaping if you don't like it too.

I am a 50/50 e liquid vaper, you should not need to add DW to 50/50 liquids to get them to wick in any delivery device as the ratio is already quite thin compared to any VG heavy blends.
I found many of the popular 'sub ohm tanks' just flat won't work for me, similar problems as you describe none with any reasonable answers or cures.
I could list a full page of highly recommended 'best ever' delivery devices that I consider horrid wastes of time, effort & liquids.
The three tanks you mention would be in the top 12 - 14 or so on that list, IMO.
The original Crown tank, kangar sub/top tank, original Atlantis, Triton both full size & mini worked especially well for me.

Yes, you have to move quite a bit of air through a DTL style replaceable head to create enough pressure/vacuum differential to pull liquid into the wicking material. Restricting the airflow may help.
Many flavorings don't do well at higher power levels / with the higher heat & increased airflow of sub Ω coils.
Higher watts & more airflow does not = a better vape in any way, it is just a different method used for individuals to find what works best for them.
I doubt there is anything wrong with you or your vaping method, just need to find delivery devices that work best with your individual preferences.

The whole MTL vs DTL thing is odd to me, I can & have DTL any delivery device, you will always run into problem trying to mtl or semi mtl a delivery device designed for wide open DTL.

Certain flavorings & especially sweeteners can do some really weird things at various power & airflow levels, especially when talking about the goopy gunky ones that use 12%,15% or more total flavorings & sweeteners.
I don't vape sweet flavors or any that you mentioned so that's probably all the help I can give.
 
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Jwaterski

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As Elvis said, not every great tank is great for everyone. You said the uwell tank you have works well for you, just worried about replacement coils. Have you considered getting the RBA for it? Not something everyone wants to do, so just asking. Right now it appears the se1 is still available, coils are still available, and there is a RBA for it. You could get an extra tank, stock up on coils while there still available and even get the RBA in case all else fails.
This from someone who still uses a subtank with the RBA because I haven't found anything that works better for me.. (well, maybe a squonker, but if you don't want to build, that sure won't help!)
 

Nodnerb

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Sadly I think you guys are right. You’re experiences sound exactly like mine, Elvis. I LOVED my sub tank and never would have stopped using it if they didn’t change the coils. What tanks are you using these days? Your list of tanks that have worked for you mimics mine identically.
I just don’t know how to find my next tank if most tanks are a waste for me. So far I’m down 3 tanks that don’t work for me it appears.
I wish the new crown tanks had a higher ohm coil option. So many tanks are geared for super low ohm cloud chasing these days. I want something in between the mtl dedicated tanks and all of the cloud chasing tanks.
 
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Topwater Elvis

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I consider myself a loose airflow, wide open airflow for a MTL vaper. Definitely not DTL or even restricted DTL.
I do not get along with any of the newer tanks designed for high VG, huge airflow DTL inhale.

I still use those I listed & several others, no problem finding heads. I haven't looked in a few months because I usually buy at least 5 boxes to a case at a time.

Sure I still buy a few new tanks occasionally, just to see if something has actually improved, pretty much always a disappointment.
The Zenith stands out as a very good delivery device IMO, but again you may not like it.

My most used 'tank' is an authentic P3 threaded kabuki that I have slightly improved to make it perfect for me.

I use a bunch of different what now would be considered older tanks, don't have any problems finding replaceable heads for any of them.
If you have a functioning kangar sub/top tank have you tried the .5Ω Clapton heads? <-- my favorite in the top tank.
Have you used the RBA deck that comes with the sub/top tank, very easy to build & works well.
What do you mean when they changed heads? for me the newer round ones are light years ahead of the older square varieties.
I actually smashed a subtank with a ball peen hammer because of all the problems with those square heads.
 
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Nodnerb

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Yeah I use the zenith as well as my work stealth vape. I’ve drilled out the holes because it was way too restricted. It’s much better that way for me and works great. But for home I like something much more hard hitting, relatively.

The square sub coils went from the original horizontal coils to vertical coils in the same square housing. The horizontal ones were fantastic! They changed to verticals and they sucked.

I’ll have to take in your info and see what I need to do to find a satisfying vape. Please PM me if you find another tank someday that works for you!

Thanks to you, and everyone else for their help!
 
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tdman77

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I always see reviewers chain vaping with 70/30 and 80/20 in the prince, cascade, and herkales with no issues. I would have thought 50/50 should wick fine. If it’s a viscosity issue while still using 50/50 I’d assume everyone with these 3 tanks I have trouble with would as well.

90% of reviewers are full of crap. They open the box review the item and go back to their normal vape. Most do it just for free products and YouTube money. When was the last time you seen Grimm Green make a negative comment on anything? There are some good reviewers also: PBusardo and DJLsb for example.

I watch reviews to see how the product looks/works but come here to get real world reviews.
 

Falconeer

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As a left field, long shot, but at least a cheap one!

Have you tried changing the drip tip to a narrower one?

When I was last experimenting a few years ago, I did have one "difficult" tank and it did improve matters when I fitted a longer narrower drip tip, possibly because it gave greater suction ( and yes I do remember my old Physics Teacher loudly declaring "There is no such thing as suction boy - it's air pressure!" )

Just a thought...
 
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