Had an absolutely cracking day at Aqua sana yesterday.
The facilities are really good at the spa can't speak too highly of them. They had a fish pedicure (normally £20 for 20 minutes).
The only downside was that the restaurants appear to be a rip-off. We went to the Indian. £100 for 4 of us for what was similar to microwave meals. We would normally pay less for better food so I'd suggest getting in the car(s) and going somewhere else to eat.