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If you dive in different conditions with different exposure protection, your log can be a useful reference for weighting and exposure protection requirements. If you dive in a general area, you may not remember which dive site you dove before. I log all the basic info, and then add stuff if I...

Since when does shooting an SMB during a recreational dive indicate an emergency? I thought it was just to let the boat know where you are in the water when you decide to come up. If I am having a genuine honest-to-goodness emergency, I don't think I will be taking the time to shoot an SMB.

This is why I like a balanced first with an unbalanced second. You get a warning when you have about 20-30 breaths left (once you hit the ip). You have your SPG to tell you when you get to 500 psi.

I really don't understand why other compasses tend to be such garbage. The design of the sk 7 is not really original, very simple, and I am sure it could be copied functionally without violating any patents.

I take back what I said about DCS. Pretty unlikely at 12 ft. It does sound like something is not right with your inner or middle ear.

Call DAN as soon as you can. They will be the quickest path to getting to the bottom of this. This could potentially be a symptom of DCS, and you need to figure out what it is before you dive again.

I know at least one dive operation that throws in there own requirements for the specialities, and then uses the cert as a prerequisite for professional level courses, kind of like University before Teacher's College. If you change your mind about Dive Master, at least you have something to...

Our reef cleanup got turned into a beach cleanup today because of high waves.

Out of interest, did you get scared when you were suddenly and unpredictably without air to breath?

Where they perhaps diving Sherwood regulators?

Could someone please point me to an accidents and incidents posts were somebody died from using a rental regulator.

There are only a few things that go wrong with this particular skill. Many divers just get it (myself included), and for them, it is really difficult to figure out what to say to someone who is having trouble. I managed to learn a couple of things when helping my wife. 1. If the bubbles are...

Most computers can be reset. I am sure this was done first.

If this is the case, it should be remembered that no insurance covers bringing you back from the dead.

I bought al 80s. After diving a steel 100, I wish I had bought steel.

You make an extremely good point here. If there is a chance that you will not be able to get out of the water quickly at the first sign of hypothermia, then underprotecting thermally would be equivalent to cave diving without any reserve. Dead from drowing and dead from hypothermia are both dead.

Here is how I do it: Step 1: Turn both legs half way inside out (the ankle part will be inside the leg). Do the same for 1 arm. Step 2: Carefully put your foot all the way through one of the ankles. Put your hands in the leg to help you do this. Step 3: Pull the leg up as far as it will go...

Since when is 200 bar equivalent to 6000 of anything?

Almost forgot. You won't be renting any gear for the dive if all you have is a watch (no c card), so you will be skin diving anyway, and you won't need to do NDL calculations.

I don't know of any dive op that rents regulator sets without a depth gauge, and a copy of the RDP is pretty easy to get hold of if I can't rent a computer. I am not going to do some super challenging dive spur of the moment (certainly not with an instabuddy), so I think the answer to the...