Question about potion potency jewel substat

I’ve never made a potion potency armor set so im asking questions so i don’t blow hundreds of thousands of galleons for no reason.

  1. Can you equip a potion potency armor set, drink a potion, and change into a different armor set without losing the bonus potion duration?
  2. What is the maximum time possible I can get from a singular luck potion. Is a brew or aura potion better?
  1. fairly certain, especially considering potency set applies to aoe potions as well
  2. about an hour or so i think with an aura pot