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There are some big differences between the AOW "courses" from different agencies. Here's where I think SSI shines. First, with SSI, you must take 4 full specialty classes with all the academics and water work. For example the Deep Diver Specialty requires 3 dives, as do many of the specialties...

I wouldn't recommend it. Even instructors have died in little accidents in a pool. You really need a lifeguard on duty. Or, at least, a water-experienced observer.

Everyone has their favorite ear problem. Get the DAN pamphlet on Ears. Or call the DAN consultation phone number.

Gilligaaaaaaaaaannnnnn!!!!!!!!

This mask is almost a direct knock-off of an Aqualung (formerly US Divers) Pacifica mask. Except the Pacifica has a purge valve. A very similar design is the Aqualung Atlantis mask. This mask does not have a purge valve. Both of these masks are still available from Aqualung.

First, it is fair to compare service suppliers on price. But, you have to make sure your comparisons are valid. I can see lots of reasons for the pricing difference in your example: - Older US Divers regulators were good workhorse designs very basic, very stable. Whereas Oceanic has always...

I've got 2 regulators. 1 DIN, 1 yoke. (I also have an adapter for the the DIN) Have you considered switching to a back-mounted BCD. They tend to put more space between your head and the tank. I have a Zeagle Tech and a Zeagle Ranger. I don't really have head-butting problems with those. I only...

...So I suppose you never ride in the car together, fly together, occupy the same house at the same time, etc. Virtually everything you do in life as a couple has the potential of taking you both out at the same time. Personally, I think you should teach the whole family to dive. The older kid...

This is a tough question. The scuba agencies have created all kinds of programs. SSI has: Snorkeler Freediver Indoor Diver (for people who just maintain zoo-quality aquariums) Junior Scuba Diver (under 15) Scuba Diver Junior Open Water Diver (Under 15) Open Water Diver (This is considered the...

First - Your back up computer should be with you on every dive. The whole point of the b/up is to have another device that has up-to-date data in it if the primary craps out. That said, the rule you are referring to is from standard dive tables. But, you nitrogen loading doesn't clear "over...

"Doctor! Doctor! it hurts when I bend my arm!" "Don't bend your arm." You might have to try a different style of wetsuit. One-piece wetsuits were always too tight in the crotch for me. A 2 piece suit, like a Farmer John, turned out to be much more comfortable.

I love AI computers. Especially when traveling. They help me get the most diving I can out of an expensive trip. I watch my "Air Time Remaining" and "No Deco Time Remaining" and dive according to which is less. Also, when my "Air Time Remaining" starts getting low, I adjust my depth upwards and...

Itchy body parts after diving can be caused by several things: 1) Stimulation of circulation. Some areas of skin don't get much circulation under normal use. Movement and/or water exposure can cause an increase in blood flow which can cause itching. 2) Contact with toxins/irritants/allergens in...

The swimming test is without swimming aids. (no mask, fins or snorkel. No flotation devices.)

That's the whole point of taking the classes. You also need to dive as much as possible. Eventually, you will begin to think of your equipment as an extension to your own body.

I'm a bit of a watch "freak". Yes you should have a full-fledged diving computer. But, that doesn't mean you can't have a watch too. I have several and love taking them with me diving. Mostly while warm water diving. That said, here is the minimum criteria for a watch for "scuba diving". a) The...

The best place to ask is DAN. Scuba Diving Medical Safety Advice — DAN | Divers Alert Network

I am an SSI instructor. So, I can't speak for any other agency. But there is no such requirement in the SSI training guidelines. I have seen the guidelines from the Recreational Scuba Training Council, upon which all the agencies training is based. There is no such requirement in there either.

Remember, if you are scanning log book pages from a commercially produced logbook, that those pages are copyrighted by the original publisher, even if they don't have a copyright notice. Unlike patents, that need to be filed, intellectual property is automatically covered by copyright law as...

Number of dives a day is a trick question. Are these 20ft dives or 110ft dives? Are they 15min dives or 60min dives?