How to Choose the Right RTA Atomizer for Beginners?

por phoebe guo en March 16, 2018

                  Analysis of 9 Common Issues about Rebuildable Tank Atomizers


A few days ago, we discussed How to Choose the Right RDA Atomizer for Beginners?Analysis of 8 Basic Questions about Rebuildable Drip Atomizers.  Many friends are very interested in RDA & RTA. Some friends proposed to organize a new article about RTA rebuildable tank atomizers. This time we write the FAQ articles in response to the proposal. It is also expected to be summarized through some subjective experiences for the entry period and transition period and provide an intuitive and effective reference for novice friends. 

Question 1: What is RTA? How to distinguish RDA, RTA, and RDTA?

Novices are often distracted by some so-called "professional terms" such as RDA, RTA, and RDTA. They all seem to be the same thing. If there are friends who understand the history of electronic cigarettes, they should be able to easily identify them.

First of all, let's continue to talk about some cold knowledge: RDA, RTA, RDTA and other names with the last letter of the A. A refers to the Atomizer (atomizer). The first letter will always be R, and R refers to Rebuildable (rebuildable). That is to say that the atomizer “professional term” at the end of R and A refers to a rebuildable atomizer. You will surely know it's not the type of sub ohm atomizer when you viewing words like RDA, RTA, and RDTA.

The difference is the middle combination of a letter "D" or "T". D refers to the Dripping (Drip). T refers to the Tank (storage). Then you can easily distinguish RDA is a rebuildable drop atomizer and RTA is a rebuildable tank atomizer, while the new structure RDTA refers to an atomizer that can both directly drip the liquid directly (D) and also has a storage tank (T). Today the protagonist of this passage is RTA rebuildable tank atomizer.

Question 2: How about the taste of this RTA?

The problem of RTA palate has been deeply rooted in the minds of every friend who is exposed to e-cigarettes. The following discussion is based on the subjective arguments of individuals to talk about “taste”.

When it comes to taste RTA, it will inevitably be associated with KayFun series, which is the most normal thing. People who have just started quitting traditional cigarettes are generally fascinated by KFLP's tight suction resistance and linear concentration of smoke. If viewed the evolution from the KayFun series alone, it is not difficult to find that the taste of mouth-mouthing type slowly begins to change. From KF5 it can be seen that the support of fancy silk and the taste of the lungs are dominant. As the type of heating wire began to increase gradually, the trend of e-cigarette development began to change.

What is the so-called taste? A nebulizer's smoke temperature, resistance to absorption and suction, and suction feeling of the lips, and even an atomizer's ability to reduce the taste of cigarette oil can all be attributed to the category of taste.

If you ask friends around you, why not directly ask a few questions with labels such as "smoke is warmer", "sucking resistance moderate", etc. to guide friends recommend equipment for you. Then you can directly find some relevant structure designs RTA from these tag attributes. If you directly ask "I need a good taste RTA", maybe you will feel disappointed at the RTA items which your friends recommend. After all, there are a thousand Hamlets in a thousand people's eyes.

Question 3: Single coil or double coil

If you are a newbie, the single coil will be a good entry option. However, please do not doubt the ability to generate fog alone. In late 2016, various types of single-engine RTAs have begun to slowly move closer to support the design of fancy coils. Comparing to RDA, it also has a simpler reconstruction operation.

In addition to the convenience of operation, it is also necessary to pay attention to the "e-liquid leakage." With the structural evolution of RTA, cotton reconstruction operations have become more and more simple and reliable. Like the recent MAGE GTA and CP RTA structures, they have better support for novice operations and are less likely to leak oil. Therefore, before the purchase of RTA, you can first consult the reconstruction structure of the electrode table, first predict whether the difficulty of reconstruction can be controlled and whether the cotton operation is simple and reliable.

Question 4: Will VG deployment of vape juice affect the RTA's oil leading speed?

The structural design of the RTA determines whether it will be affected by the speed of oil flow when using smoke oil. For example, RTA such as KFLP, which is familiar to everyone, has a small oil guiding hole. The experience of using the traditional 50% VG smoke oil is good, but once it is replaced with 80% VG. The oil may not be smooth and affect the experience. The core, which is the effect of smoke oil on the RTA propellant speed due to the change of the liquid viscosity due to the VG ratio.

How big the size of the oil leading  hole is, and in general it determines how fast an RTA's oil leading speed is, which of course is based on the fact that there is no problem with cotton production. The RTA of the large-bore and the large-smoke category is generally fast in oil-conducting speed and can be selected arbitrarily. Of course, some 80% VG or MAX VG high-viscosity flue-gas will also have the influence of oil-conducting speed. Then you can understand it in reverse: If you have the juice you use every day, you can pay attention to the VG ratio, which may be the basis for which RTA you choose.

Question 5: How much e-liquid should the RTA store for use?

The oil storage may be a concern when considering the design of the storage tank of the mouth-watering RTA. If you use today's large smoke RTA, all kinds of fancy coils and high consumption of low-resistance dual-use, it is not enough to support half-day use even if there is MOBULA (devil fish) RTA with 6ML  storage like the picture above,

How much smoke will consume much of the juice, in the RTA purchase of large smoke, does not need to bear in mind how much oil storage space in the end, but in the purchase process can pay attention to RTA's  injection design. Top injection has become standard in the current RTA design, and an RTA product with reliable filling design can guarantee the RTA life and give you a petite and compact RTA appearance.


Question 6: What is the difference between all kinds of intake air design RTA?

Not only does RDA have a variety of air intake designs, the RTA, which is extremely convenient, also keeps pace with the times. Commonly used, of course, is the bottom air intake design and is also more widely used in most RTA products. The RTA suction resistance at the bottom of the intake is relatively smooth, and the intake stroke segment may, to a certain extent, be the first reference for selection.

As a novice, of course, will worry about oil leakage caused by improper cotton production. It is clear that the bottom air intake design with many advantages has also become a negative teaching material of this kind. As a result, some RTA products with top air intake have appeared on the market one after another. This type of air intake can minimize the leakage of your  juice.

1, the bottom of the intake: suction resistance is most comfortable, more options for this category of products;

2, the top of the intake: long intake stroke, suction resistance slightly inferior to the bottom of the intake design, the choice of relatively few products, but can be the most effective way to prevent leakage due to novice operation.

In fact, there is a type of lateral air intake in the RTA, but this type of product is not common and will not be discussed here, such as the UD's BELLUS RTA. Or as the old saying goes, all kinds of designs both have advantages and disadvantages, which points is how to choose your own special one.


Question 7: How does an RTA match a mod?

1. Mod power:

There is an upper limit for the power of each mod. Although RTA coil parameters can be changed manually by themselves, each RTA will have a reasonable range of heating coil parameters. This range determines the perfect performance of an RTA. If you say that you only have a 60W single-power mod, for example, use the above-mentioned PETRI RTA...

If the conventional 24G/2.5/6-turn dual-fire generation is used, the resistance of about 0.2W will require about 45W of power. However, if 28G twins are forcibly used to cater to the mod's output ceiling level, the taste performance of this PETRI RTA may appear empty and unreasonable.

Therefore, if the mod output has a limited number for some friends when choosing RTA, it is best to first understand whether the RTA coil's conventional parameters require the output range to be suitable for the equipment in the hand, so as to avoid long-term high-load output usage and affect the holding of the airline.

2. Nebulizer diameter:

RTA diameters of 22mm, 24mm, and 25mm are common nowadays. These diameters have a slight impact on the mod. When purchasing an RTA, if there is a strong compulsion to face value, please note whether the selected RTA diameter can perfectly match the mod, without "big head" or "outside". There is also a serious situation in which mod structures such as ISTICK PICO are limited. It can only assemble 22mm or smaller diameter RTA.

Question 8: The influence of the electrode stage structure?

Although the single-coil structure is the first choice for novices, in reality, you will continue to understand and view the RTA of the twin-engine structure and are eager to purchase another one. If the RTA of the twin-engine structure is concerned, the problem of the design of the electrode stage will directly lead to difficulty in making the coil and the cotton. If the experience is not enough, it would be easier for the novice to try to select a two-column four-hole electrode stage. Get started, such as MERLIN MINI RTA, MAGE RTA, SAPOR RTA and so on, this kind of double electrode table, can realize the coil is locked independently, each other is not affected...

Due to the design problem of the electrode stage, the position of the coil and the form of the intake air will be affected. Nowadays it appeared variable types of RTA products, some of which is suitable for the beginners, and some of which is suitable for the advanced players. At the first stage, fresh users only need to pay attention to an RTA's electrode table design if it can be used to make the coil and the cotton with the appropriate difficulty as long as it can meet your current requirements.

Question 9: How to determine a set of own RTA coil parameters?

The amount of air intake and the size of the atomization chamber largely determine what kind of coil parameters an RTA product should use. General 22MM diameter RTA, especially in the current popular smoke positioning products, in most cases many of my friends will use 24G wire diameter to make 2.5 or 3.0 loop coil and the conventional 6-8 can be applied to most of the Happening.

However, in the 24mm diameter RTA, 22G wire diameters or Clapton coils are often used to bring out smoke saturation because the size of the atomization bin space increases especially when using Clapton coils. Please be sure to pay attention to whether the RTA's air intake can meet the coil's temperature drop. If you blindly increase the wire diameter or use the Fancy Coil under the condition that the RTA intake air temperature does not support well, then the taste of the smoke oil will be too high to diluted and the smoke overheated.

For example, the Merlin mini RTA would feel slightly empty if using 24G twins when the intake air closes 50%. This is not the case with the 22G twins, which is the momentary saturation of the smoke. As well as the influence of taste, try more data and have different fun...

Although there are few differences between RTA and RDA in practical experience in the interpretation of smoke oil taste concentration and smoke saturation. RTA products are very popular as they have oil reserves and very objective portability and convenience.

Here are some great RTA atomizers as refference.


Smok has christened this RTA “The Cloud Beast,” and it’s with good reason too. with the marquee V8-T8 Octuple Coil Head measuring 0.15ohms with a maximum output range of 260W. The V8-T6 features a sextuple coil design measuring 0.2ohms and is rated between 50 to 240W. The V8-Q4 has an output range of 50 to 180W, providing an excellent middle ground of premiere flavor and vapor. The V8-RBA Head is one of the most capable in its class, with an 18mm diameter deck that integrates a two post, dual terminal design with each terminal measuring 2mm in diameter. The TFV8 adopts a highly effective chimney, increasing the spacious internal barrel for higher airflow efficiency, increasing area by 30% than the original TFV4 Tank . Ample airflow feeds into the V8 Turbo RDA, with dual 8mm by 5mm internal air slots while wicking is efficient due to the unified wick port designs.


  • Good performance at any power level
  • Adjustable airflow
  • Has the ability to use some different coil heads
  • Provides huge clouds

2. OBS Engine RTA 

The OBS Engine has a look that can best be described as unique. It has an adjustable airflow at the top of the cap as well as being a top fill device. This makes it easy to use, as well as limiting the size of the device to ensure that it is not too large. The tank is a good size as well, holding a very generous 5.2ml of e-liquid. The OBS Engine has a drip tip included, but it can easily be changed to a different one if the user has a personal favorite drip tip.
The whole device is very easy to take apart to carry out cleaning. This warrants that there is less chance of old e-liquid ruining the flavors of new e-liquids that are put into the tank. Due to the top fill and top airflow design, it does offer up the problem that if the device isn’t wicked correctly, it can shoot hot e-liquid directly into the user’s mouth. This is obviously an issue and means that the OBS Engine is not a device for a novice.



  • Top fill design
  • Top airflow
  • 5.2ml tank
  • Airflow is fully adjustable

3. Vandy Vape Kylin 24mm Postless RTA

Vandy Vape's Kylin RTA follows up on the critically acclaimed iCon and GOVAD RDA platforms, presenting a postless build deck, an expandable tank capacity for all day range, all paired with a dynamic airflow system. The Kylin RTA's ability to produce immense flavor and vapor production stems from its core, a gold plated postless build deck with quad air channels and large wicking cutouts. The pair of centralized air channels brings airflow beneath the coils, while the outer channels direct airflow around the side and up towards the domed chimney. Additionally, the airflow is controllable via the three position airflow control ring and divided into two separate sides by a PEEK splitter. The Kylin RTA comes as a 2ml compact tank system which is expandable to 6ml using the included chimney extension and extended glass section.


  • Adjustable airflow
  • Reinforced with Pyrex
  • 2ml standard capacity can be increased up to 6ml!!
  • Postless design
  • 24 karat gold plated build deck

4. GeekVape Zeus RTA

The main thing that stands out from the start of the GeekVape Zeus RTA is that it is leak proof. There is not much worse than e-liquid leaking everywhere, so the GeekVape Zeus is alleviating this problem gives it an instant head start. With a slender 25mm diameter and a 4ml capacity, it is comfortable to hold and holds a right amount of e-liquid. The dynamic air flow that it offers means that the flavor that is experienced through the GeekVape Zeus is as good as it gets, it provides a smooth vape too which is down to the air flow system.
The flavor isn’t the only area where the Zeus excels either, the clouds that can be created are fantastic. All of this comes together with a high level of build quality, which is par for the course when it comes to GeekVape, meaning there is no danger of the Zeus letting people down at a vital moment, it has a simple top fill action as well making it a simple task of refilling it.



  • It is leak proof
  • It comes with a 4ml tank as standard
  • The dynamic airflow provides enhanced flavor and clouds

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