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Best RTAs in 2021

As long as you are quality-focused, you never stop enhancing your tools and practices in the pursuit of vaping excellence. If you have decided to give a try on RTAs in this search, but feel lost in the informational dust, you get online, and we’ll gladly brief you on the build, qualities, and benefits of the best RTAs.

  • Diameter: 24mm
  • Material: Stainless Steel
  • Tank Capacity: 4ml
  • Refilling System: Top-fill
  • Deck: Single Coil
  • Thread: 510
  • Drip Tip: 510

The Innokin Ares 2 D24 MTL RTA has a diameter of 24mm and holds 4ml of e-liquid. The unique Ares chamber provides you the rich, intense flavor and a strong throat hit, ideal for MTL vapers.

  • Height: 36mm (without drip tip & 510 pin)
  • Deck Diameter: 24mm
  • Drip Tip: 810 resin drip tip
  • E-liquid Capacity: 3.0ml straight PCTG tube for Standard Edition
  • 4.4ml bubble glass tube included
  • Filling Method: Top filling
  • Airflow Type: Bottom airflow
  • Coil Type: Wire Coil
  • Coil Type: Single/Dual Coil
  • Insulator Material: German PEEK
  • Threading: 510 thread

The all new Wotofo Troll X 24mm RTA Vape Tank is the latest line-up of their Troll series. Retaining its minimalist design and feature-packed in engineering, the Troll X produces amazing clouds and flavor all packed in a user-friendly building experience.

Product Features:

Advanced Inflow Air Diffusion Solution: An airflow insert is added to diffuse the air through its specially designed slots and surrounds the coils with streamed airflow evenly to enhance flavor production.

Super Easy Air Mode Switching: There are two airflow inserts included in the package, with differently shaped slots (honeycomb dot & slim groove). The inserts are designed to sit firmly on the deck with push-pull switching, in this way, you can switch airflow modes freely without having to uninstall the coils.

Flexible Air Control With Triangular Air Balancing System: After the air entering through the triangularly distributed bottom inlets, the air immediately gets stabilized by the air balancing structure inside. Results in a more smooth, controllable, and high-quality air supply.

Optimized Chamber Space With Postless Deck Design: The Troll X RTA features a postless build deck, so it can accommodate dual coils while still leaving large space for easy building inside its compact chamber.

Push open top cap: Easy Refill without Leak.

  • 22mm Diameter
    • Stainless Steel Construction
    • Adjustable Outer Airflow Control
      • Seven Hole Design
    • Adjustable Internal MTL Airflow
      • 0.8mm
      • 1mm
      • 1.2mm
      • 1.4mm
      • 1.5mm
      • 1.6mm
      • 2mm
      • D1 Dual (1mm)
    • Single Coil Design
    • Direct Airflow to Coil
    • Conical Build Deck Cap
      • Improved Flavor
  • Single Coil Build Deck
    • Single Post Dual Terminal Design
    • Flat Head Screws
    • PEEK Insulator
  • Refillable Tank Section
    • 2ml E-Liquid Capacity
    • Top Fill
  • 510 Drip Tip
    • Two included

Vandy Vape introduces the Berserker Mini V2 MTL rebuildable tank atomizer, inspired by the Berserker series, providing great vapor and amazing amounts of flavor. The Berserker Mini V2 RTA is a 22mm rebuildable tank atomizer and utilizes a 2ml tank section for your favorite E-liquid along with eight interchangeable internal air slots with sizes ranging from 0.8mm diameter to a D1 diameter (1mm) with two holes.

This enables users to set it and forget it, making airflow adjustment as easy as sliding in an adapter. Each airflow control piece fits snugly via a friction fit tab and should not be easily misplaced or lost. The raised build deck accommodates small single coil builds that are typically used for mouth-to-lung vaping styles. Included in the packaging are two 0.74 ohms Superfine MTL Clapton coils. Along with the small build deck, two lead ports are strategically placed so users can keep their coils from shorting or slipping. Each lead features a flat head screw for users to tighten down their leads and set Philips screws are included for user preference.

On the building deck are two large wicking ports to allow the cotton to stay saturated. The tank section of the RTA holds a total of 2ml of e-liquid and can be filled via top-mounted fill ports. In order to fill, the RTA requires an easy quarter turn the top cap to be removed. As an added measure to prevent leaking Vandy Vape has added two silicone flaps that keep the juice in the tank section. Lastly, the Berserker Mini V2 RTA also has a external adjustable airflow for fine-tuning. Overall the new Berserker Mini V2 MTL RTA by Vandy Vape produces a flavorful experience and simple building setup, which overall makes it a versatile and well-rounded mouth-to-lung rebuildable tank atomizer.

  • Size: D28*H54 mm
  • 6ml E-Liquid Capacity
  • Top Fill
  • Top to Bottom Airflow
  • 810 an 510 Drip Tip Compatible
  • U-Shaped Build Deck
  • Embedded O-Ring
  • Single/Dual Coil Compatible

From mastermind vape architect Justin Lai comes the OXVA Arbiter RTA, a leakproof rebuildable atomizer that offers unparalleled flavor and ease of use. The Arbiter is built with a U-shaped build deck and can support both single and dual coil builds.

It is compatible with both 510 and 810 drip tips and comes with a 6ml bubble glass chamber as well as a 4ml straight glass chamber. The kit also includes two fused Clapton coils and shoelace cotton to begin use.

  • 22mm Diameter
  • Threaded Top Fill
    • 2ml Glass Tank Section E-Juice Capacity
    • 3.5ml Glass Tank Section E-Juice Capacity
    • Child Proof
  • Single Coil Build Deck
    • 4mm Each Terminal
    • Top Mounted Flat Head Screws
    • Dual Wicking Ports
    • PEEK Insulated Positive Post
    • Dual Bottom Airflow Channels
  • Adjustable Bottom Airflow
    • Knurled Design
    • Single Airflow Slot
      • Single Large Airflow Slot
      • Smaller MTL Airflow Holes
        • 1.6mm
        • 1.4mm
        • 1.2mm
        • 1mm
        • 0.8mm
    • Fully Adjustable
  • 3mm bore 510 Drip Tip
  • 8mm bore 510 Drip Tip
  • Threaded 510 Pin
    • Gold Plated

The Vertex RTA by Hellvape is the newest flavor-oriented RTA, offering a smooth draw and delicious flavor thanks to the turntable style airflow and external airflow port. The Vertex was designed with flavor at the forefront and each component was engineered to deliver the best taste e-Juice has to offer. But don’t be fooled, this RTA is more than capable when it comes to ease of use as well with its single coil build deck and bottom set airflow design. The Hellvape Vertex RTA stands at 58mm from base to drip tip, is 22mm in diameter, and weighs in at 1.4 ounces.

Hellvape has taken the features of the MD MTL tank and improved on the design, and it shows in every aspect. Starting at the top users will find a 510 styled drip tip that can be replaced. Below that is a threaded dual-port top that can be removed for simple and clean filling. Moving down the midsection of the tank features a 2ml glass section and in the packaging, users will find a swappable 3.5ml glass tank section. At the bottom of the tank are various external airflow customizations which feature an elegant knurled ring for easy tactility. This air slot can be adjusted with a single large port and six pre-set MTL adjustments.

This style of airflow will lead to the center airflow channel located in the center of the build deck. The deck itself is a single-coil design with 4mm terminals and top-mounted flat head screws. surrounding the airflow channel are two large wicking channels that allow the user to easily wick and re-wick the atomizer. The most defining feature of which this atomizer was built around is the turntable styled airflow which is secured inside the build deck section via a side-mounted o-ring.

This feature offers users a smooth steady flow of air to the coil and can be adjusted to the user’s preference. The turn table-styled airflow has three different styles, one wide open slot, an MTL three-hole variation, and a single MTL. Overall this atomizer is perfect for users looking for a simple RTA with massive amounts of airflow customization.

We shall also focus on what makes them different from other devices and give you the tips and tricks for keeping your tools right.

RTAs are for those who are looking for high-level performance, enhanced convenience, and improved control for a vaporizer. There is a similarity between an RTA (rebuildable tank atomizer) and a sub-ohm tank with an RBA deck, but the latter doesn’t offer that much flexibility.

Kylin V2 RTA partsThe RTAs will bring your vaping experience forward by granting an infinite variety of build decks, coil configurations, wicks, and vape tanks.

Introduction to RTAs

By now, manufactures engineered three types of rebuildable atomizers: rebuildable tank atomizers (RTAs), rebuildable dripping atomizers (RDAs), and Genesis atomizers. They built the fourth type as well, and it comes with a name RDTA or Rebuildable Dripping Tank Atomizer, but due to the similarity with RTA, we decided to merge the descriptions for the two latter groups.

The three types of feature coils that offer a possibility of modification. The user has to wrap a wire around a rod, that’s about 24 mm in diameter and then build a wick for e-liquid transportation.

Today vapers benefit from a vast choice of wrapping wires. One of the types of Kanthal A1 goes well with variable wattage mods and is of service with different vaping mods, thanks to the stable resistance to heating. All of the rest require temperature control mode, due to the varying resistance.

Kylin V2 RTA internal airholesIt refers to ni200 and titanium (ti grade 1) wires. VW and TC modes sustain stainless steel because this material produces variable resistance during the heating.

Rebuildable atomizers favor the use of various wicking materials. The materials that come into use in RTAs and RDAs most often are cotton and rayon. One used for Genesis is stainless steel, specifically steel mesh rolled into a tube.

RTA Build Quality

Let’s explore what’s inside the RTA and how it differs from other atomizers. A user assembles each unit on their self, putting the coils at the bottom of the building deck and an e-liquid tank above the deck. A usual RTA vape tank may contain averagely from 2 to 10 ml of juice. A chimney surrounds the deck and air travels through the deck from the bottom through the chimney to the drip tip.

In case a device employs the side airflow, it is called an RDRA. In the newer RTAs, the airflow travels down from the top through the outside of the chimney stem to the coils and returns to the drip tip. Every RTA has holes in the deck to let the e-liquid flow through the wicking material.

Kylin V2 RTA airflowAmong RTAs, we differentiate single and dual coil types, each of them features its benefits. Using the dual-coil RTAs you have more vapor and ability to run a vape at high wattages, so this type is perfect for cloud chasers.

The best single coil RTA will ensure the best quality of mouth-to-lungs vaping, providing the ability to taste e-juice even at low wattages. So the main advantage of this type is the economical use of power and juice while enjoying the most exquisite flavor and taste.

An RDA has a range of differences in comparison with an RTA. Firstly, a small well at the bottom of the device serves to hold the liquid. The wick connects with the well to let the coils absorb the juice. There is no need for chimney since the fluid is below the coils.

They have a top cap instead that covers a top of the building deck. The airflow starts on the top, sides, or bottom and streams through the top cap to the drip tip.

Now, let’s have a look at the Genesis atomizer that absorbs features of an RDA and an RTA. From RTA it inherits a tank, but unlike the predecessor, it occupies the bottom of the atomizer and sits below the build deck. The location of the shell resembles that of RTA and makes it similar to a spacy RDA well.

The coil absorbs e-liquid through rolled stainless steel mesh tubes. The build of Genesis includes a top cap precisely like with an RDA. It also follows the airflow of the latter: air travels to the drip tip from the top lid.

The evolution of vapes went on, and although the Genesis itself is a mix, there are now Genesis-based hybrids. Such devices have a bottom tank and an upper build deck but use cotton wicks, a feature inherited from RTAs. Vapes that mix design and qualities of different style tools are also called RDTAs.

Advantages of RTAs

RTAs outperform sub-ohm tanks, RDAs, and Genesis atomizers. Sub-ohm tanks do not require buying factory coils heads, which is an advantage for many vapers. Then, wrapping coils, buyers benefit from low prices. They can get a bunch of wire at the cost of two factory-made coil heads. Another advantage is that cable lasts a few months or a year and a user is least likely to run out of coils.

Likewise, the box of cotton or rayon will provide you with wicking materials for years, offering another source of financial benefit. The RDA user mustn’t depend on the supply of factory coils, like a sub-ohm. It is quite a solid pro, as, according to the FDA regulations, factory coils heads for sub-ohm vapes may get out of the sale in a couple of years in the US.

zeus x performanceIf we compare RDAs and RTAs, the latter group is ahead of the curve in two categories. They showcase more significant liquid capacity and set you free from carrying liquid bottles everywhere you go. The RTA tank capacity lets you enjoy vaping all day long and not bother about refilling.

Another positive trait is that our champion is leak-proof, even when held in a horizontal position, unlike the RDAs that don’t use a chimney and send liquid sideways or inverted.

As for Genesis atomizers, RTAs exceed them as well, as they are more accessible to coil and wick as the Genesis hybrids. Gennys isn’t leak-proof like RTAs, and to use them a vaper must oxidize a steel mesh and work out hot spots of its contact with coils.

And, finally, modern RTAs favor re-wicking, as they grant free access to the build deck. For this reason, they win fans among newbies as well as seasoned builders.
Users swear by the quality of flavor produced by RTAs. The modern market has a majority of variants, but consumers should look for their own best RTA for flavor, as it is hard to fit every taste.

Later we shall provide a digest of the best rebuildable tank atomizers to ease the choice. We shall also define what the best RTA tanks and coils are, to grant you the opportunity of choosing your future favorite product from the refined pickup.

Maintenance Rules

If you want your RTA to surpass other vapes in longevity and usability, you have to stick to a couple of tips and tricks.

– For the best quality of vaporization, the coils should be in the air slots, mainly if your atomizer employs bottom airflow.
– Take care of the coil length. If it is too short, the wicks send e-liquid to the air holes, causing flooding. To avoid it, you also have to make sure the wicks absorb all the liquid and leave no drop behind.
– Too much of liquid brings your vaping experience down as well. It leads to dry hit; as extra-liquid blocks the deck. Balance is the most important thing when it comes to filling the tanks.
– Avoid overfilling and make sure you always have an air bubble to let your juice freely flow to wicks and support the air and vapor exchange.

We hope this review is helpful and the vaping newbies will be satisfied once they take a chance on their first RTA vape and enjoy all of its benefits.

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243 shares, 509 points
David Brown

Smoker for 20 years, switched to vaping 5 years ago. Never felt better since then. The best decision in my life. Proficient in DIY e-juices and custom coil builds. Vape collection - Wismec Noisy Cricket, SMOK Majesty Luxe, Augvape Druga, Dr. Dabber Aurora, Vaporesso Revenger Favorite e-juices - American Patriots by Naked 100, Tobacconist by Element Absinthe , Cosmic Fog Chill'd Tobacco, Starry Night by Quiet Owl


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