RDA’s are rebuildable dripping atomizers. These are typically  for the advanced e-cig users. Inside these device’s there are negative and positive post for your coil. When a coil is hooked up to these post, an electrical current is able to pass though and cause the coil to heat up. This is the process of what makes your e-liquid into the vapor you inhale. There are many different coil build’s and cotton wicking styles available when using an RDA. This system requires that you drip e-liquid directly onto the coil and cotton when using it. This process has to be repeated often to maintain a wet wick, to avoid dry or burnt cotton.

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