110 Feet on my first deep dive for advanced. Thats It! I will go deeper in time when i am comfortable and learned more about being narced and the symptoms so I can become more aware when and If I am. It was kind of funny, my instructor took me done to 110, made me do three math questions. When we got back to the surface after about 20 min he made me do then again. This time I did them in 30 seconds, at 110 feet it took me a minute and a half, yet I thought I did them quite quickly. Made me think things get slower and your response as well. So 100 to 110 is my limit for now untill i have a many more under my belt. After that I will try the NDL padi limit.