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Personally, I’d never heard of YiXi, the brand name behind this dual chambered sub-ohm tank. But when I saw the specs on the YiXi Gemini Sub-Ohm Tank I was pretty stoked. Because this is a dual chamber tank, this is the perfect sort of atomizer to use if you like to mix e-liquid flavors. There is an inner chamber with a 3ml capacity and an outer chamber with a 4ml capacity, which means a total of 7ml of liquid. Let’s see if this is as good as it sounds, especially for that price point.

The Design

The YiXi Gemini Sub-Ohm Tank is quite the looker. You almost do a double-take because of how tall it is, measuring 65mm in height. Another strange detail is the dual chambered design. You’ll notice immediately that this is not your typical sub-ohm tank. As mentioned, there are two chambers: one internal and one external.

The unique look is due to the build, but otherwise, the Gemini looks similar to many other sub-ohms. It’s got a futuristic feel, with some gnurled detailing on the top cap. You can find the YiXi Gemini Sub-Ohm Tank is black, blue, stainless steel, and gunmetal. I believe there will also be two additional colors available: red and green. If you ask me, though, this tank really calls for that metallic look in the stainless or gunmetal shades.

The Build

The body of the Gemini is crafted out of stainless steel and copper, while the glass used is quartz glass. The drip tip is a 10mm 520 Delrin tip. The tank measures 25mm, so fit isn’t a huge concern. The only thing that’ll make this tank look a bit odd on your mod is, again, that abnormal height. Nonetheless, with a bulkier box mod, it looks pretty cool.

There are dual airflow slots located on the bottom base of the tank. On the bottom, you’ll find really nice threading on that 24k gold-plated 510 pin. Overall, it feels solidly built, and despite the price of the tank, it doesn’t seem like YiXi skimped on quality materials.

Getting the YiXi Gemini Sub-Ohm Tank Ready to Use

As with any new tank, you’ll probably want to take everything apart to make sure that things are screwed together tight enough. There should be a pre-installed coil that you can access from the bottom base. Unscrew the bottom of the tank, and pull out the coil. Now you can check to see how everything looks inside, including that internal tank chamber. Once you’re ready, you can prime the coil (as recommended) and pop it back inside.

The Included Coils

To understand how the dual chambers work, you only need to look at the Gemini’s coil design. It’s pretty ingenious. Both coils are dual vertical coils, designed to fit inside both the external and the internal chamber. Basically, there are two single coils stacked together vertically. The top sits inside the internal chamber, and the bottom one the external chamber.

With the tank, you will get the pre-installed 0.5-ohm coil (for 30-70W) and the 0.25-ohm coil (for 50-120W).

Filling the YiXi Gemini Sub-Ohm Tank

The top fill system is a threaded one, so you need to simply unscrew the top base of the tank, and you’ll find the filling ports. There are inner filling ports for the internal chamber, and outer filling ports for the external. Now, this is where it gets fun. Because there are two separate chambers, the best way to take advantage of this design is to fill each chamber with a different e-liquid. It’s a flavor mixing tank, so why wouldn’t you? Of course, you can fill both chambers with the same juice, but what’s the fun in that?

Vaping with the YiXi Gemini Sub-Ohm Tank

In the past, I wasn’t a big fan of mixing e-liquids. Now, I do enjoy occasionally mixing flavors to see what kind of combinations I can come up with. Many vapers are pretty passionate about flavor mixing, so I imagine these are the people who will truly appreciate the YiXi Gemini Sub-Ohm Tank for what it is.

I loaded up the internal chamber with Shaka E-Liquid by Yami Vapors, which is a mango and mangosteen blend. Then I used Barnyard Berry by Fresh Farms E-Liquid in the external chamber. I played it a bit safe with the flavors. I figured that the blend of berries would do well with the mango combination. I was definitely right!

Initially, I vaped with the 0.5-ohm coil at around 45-50W. I took the wattage all the way to that 70, and that coil still gave me great flavor. The 0.25-ohm coil was, pleasantly, the same quality. While this isn’t legendary flavor, it’s pretty darn good. Both coils outperformed what I had expected, and the dual chamber design worked like a charm for mixing flavors.

Takeaways

I’ve tried so many sub-ohm tanks this last year that I may have lost count, and there are some I tried without even reviewing! But never have I had the pleasure of testing one of these dual chambered designs. I really was impressed. Everything went smoothly. I expected filling this tank to be a pain, as well as changing the coil, but it’s as easy as your typical sub-ohm with a single chamber. The coils gave off a pure taste, they didn’t degrade until about a week and a half, and they do reach those wattages.

The only con I could find may be the awkward height, but that doesn’t bother me. It’s worth the unique design. I did notice occasional leaking, but not enough to make that a big deal-breaker. For the price, this is a great option for vapers on a budget.

Purchase the YiXi Gemini Sub-Ohm Tank here.

Want a more traditional tank? Check out our hardware reviews to help you find what you’re looking for.

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