[TampaBrian]

hey 1:30 is great progress. Don't work your way up too fast. Its important to let your body adjust and build tolerances to lack of air and tolerances to increased co2. Be happy with your progress and don't try to increase too fast. Spend more time reading the forum and learning all the different terminology and affects it can have on your body. 1st and foremost, always make sure you have a buddy watching that knows what to do in case of an emergency. Knowledge and patience is very important. Good luck!
-brian