An RDA which is an acronym for Rebuildable Dripping Atomizer, is a type of rebuildable tank atomizer. Recommended for more advanced users, this type of vape hardware requires users to continuously add juice to the wick after a considerable amount of puffs. The juice-well located at the base of the build-deck This type of vape tank requires the user to add juice to the coils and wicks manually after enough puffs have been made to remove the juice from them. Though not as convenient as a regular sub ohm tank, a well built RDA can lead to the best vapor and flavor production.