Update week 7: she is growing very vigorously and has now started to focus more on bloom. She is drinking 1L per day and still seems thirsty. She already has a faint smell so I predict she will be a stinky one.
@Chilipadi, it is not foil since that can create hotspots. It is plastified aluminium which distributes the light more evenly (just got it from some nuts package). It gets light to the lower portion of the plant.