An RDA – ‘Rebuildable Dripping Atomiser’ – is an advanced piece of vaping gear. If you’re a fan of electronic cigarettes you may already know about coils and how to swap the old ones for new. A vaping RDA is quite a simple item, really: it’s a tank for which you construct your own coils out of cotton and wire. A lot of users, while expressing interest, are rather apprehensive about engaging with rebuilds. If you’re not familiar with constructing ….