Yes you do
No
For that day
Yes ,you purchase tickets first then choose date going according to their calendar availability.
Yes
Reservations ARE required online prior because it does get sold out. I'm a member and my first time I tried to make a reservation the same day and it was at capacity. AM(10am-2pm) is booked until mid April. Evening(3pm-8pm) is available, but could become sold out if tried to book same day especially on them xtra hot days.
Reservation is not required at Aquatica But if you buy tickets from Authorized seller they give you good discount...
Reservation required unless you buy it there
It's not worth the money....
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