deep air

Hi, times have changed (esp. in Europe) and purchasing He is for some an issue. Hearing much rumor about it at the local dive sites. I'm curious if DeepAir may have a reconissance - if there is really a problem. Please feel free to post some regional informations. Thanks for voting, André

Hey guys, I want to dive the Hydro more since it is in my backyard. I have only dove it once and considering the cost of helium it really is cost prohibitive to go dive it just for giggles. How many of you guys and gals have done it on nitrox (22%-23%). I really haven't gone deeper than 150...

Looking for illumination on a concern regarding my potentially broken or warped co2 sensor from apnea training in combination with deeper or more strenuous OC diving. My background is pleasure freediving and now that I'm getting more conscientious as a scuba diver I'm concerned with my apnea...