To complete the hijack, since I kind of starting it, I didn’t really mean to say not using BCD is stupid theory; I was reminded of that bad experience so I typed with rage.
As the matter of fact, as I believed the guy, I adopt this theory for quite sometimes until I realized it’s actually not a sin to use BCD. That’s how bad he put his idea into my mind. I thought, I was a new diver, what do I know, he must be right.
RiverRat, although you are saying that his theory is right and preferable to you, at least, from what I could conclude, you still said that BCD is an option. It’s something different with what that guy told me, to add air into the BCD underwater is completely prohibited and shouldn’t be attempted at any time, even when an fresh OW student was overweight because of new equipment and struggle to keep herself from destroying the coral, he chose to push the diver down, yanked the inflator hose rudely (I was wondering why it never came off) and dumping the air everytime I added it which made my dive profile like a earthquake histogram. I was actually achieving my buoyancy when I added the air, by he preferred to screw everything just to stick to this theory. He should have known better.
Like I said, even though I never dived with him again, I tried to adopt his theory because I thought he was right and there is no other option.
And like what Airsix said, I did a lot of fining to maintain my buoyancy, or I used my lung like hell, I remember taking 6-8 short breath to prevent me from dropping or blew like hell to prevent me being positive. It’s exhausting, and imo, not a relax and good way to enjoy a dive, especially in advanced dive sites, I prefer to concentrate on other things and use BCD as an advantage as why it was invented.
Back to the topic, I was wide-eyed and impressed for the story of previous poster sharing air with two panic divers! Wow, I don’t know how I would react if I was you but I can really see the hilarious side.
To repay the hijack, I contribute another bad experience, but it’s quite nothing compared to others.
On my AOW course, deep dive. We crawled in mud, one feet viz to reach the depth. I don’t remember seeing any fish or any life. It was like in the mud and at one time, viz turned to almost zero and we lost everyone else, I knew if I let go, I’d be lost also, so I held on the instructor no matter what, although I could only feel but not see him. All the time I was worried with my husband who was supposed to be close behind me.
After sometime, we managed to find my husband, but the instructor then disappeared. But I was calm now that I was with my husband, so both of us did the hover and slowly surface, still managed to do the safety stop with feeling, because, yes, rental gauge was broken, compass broken, and one of our air pressure broken. When we surfaced, the guy was all pale and he thought he lost us, he went back few times but couldn’t locate us. We didn’t blame him though, as nobody really ever know how a dive site going to be.