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I am looking for a capillary depth gauge to use as a teaching tool in Altitude Diver classes. I would prefer a new one, but am also willing to buy a used one in good working condition. If anyone has one of these to sell (or knows a good source), please let me know. Thanks!

Hello! I am hoping to go diving in or around Reedsport, OR, over a 3-day weekend. Can anyone here recommend any dive sites in the area? Also, any info you could pass along regarding nearby dive shops would be helpful as well! Any suggestions would be greatly appreciated. Thanks, and...

Welcome, Ben. It is always OK for anyone to add to a thread on Scubaboard, preferably regarding the topic at hand, which you have done! The right materials vary and are a matter of preference, but they should either be synthetic materials (I use fleece), or wool. I think there are some...

Although I have not seen it personally, I have heard of people using camelbak/platypus style hydration pack, with the hose routed along the power inflator. They reported it was quite successful. If you do a search on "SCUDA" here in scuba board, you will find more threads with more suggestions...

Don't forget the drysuit wax, at $4/stick for those that own drysuits. Wetsuit shampoo. Silicone for seals and o-rings. FILM, if you buy a camera (you're likely to use more of it than if you rent one.) Processing of said film. Talc, if you dive dry w/ latex seals. Fancy hangers/drying rack...

If you are PADI certified, you can buy one of their new "submersible" c-cards, which are designed so that you can easily attach it to your bc, and then always have it with you whenever you dive. I don't know how much they cost, but if you are really concerned about losing your card on a trip...

That's exactly what I tell people when I try to explain to them why I LOVE kelp forest diving. Honestly, though, I don't think most people will have any idea how fantastic it is until they do it for themselves. All of kelp forest diving I've done has been in California, where the biodiversity...

The problem is not that the air used for SCBA is "bad air" -- clearly it wouldn't make any sense to use on either SCBA or SCUBA if it is actually bad air. The difficulty about which I am concerned is that air that is absolutely safe for use on land (with the SCBA) may not be safe to use...

First off, thanks for your input. I am concerned that a mechanic for an SCBA fill station (for firefighters, for example) may not be aware of the additional air purity needs for scuba diving as opposed to firefighters breathing that air at one atmosphere. Also, can anyone tell me what kind...

I just saw an adapter designed for using an SCBA fill station to fill yoke style scuba tanks. My question is this: Are SCBA fill stations designed to filter the air to the same purity as oil-free scuba compressors? I know that scuba requires a higher purity of air than we can breathe safely...

Diving Dutch, When I was first reading your post, I immediately thought of caloric vertigo. However, in my experience, caloric vertigo ceases pretty much as soon as the temperatures of both ears are the same again. Since your ear actually hurt even after you ended your dive, my guess would...

It seems to me that it would more likely be a specialty cert, like DPV or drysuit diving, since it would take a while after being brought to market before it could be used as a "standard" way of diving that could be used from the start in OW classes. If the idea does get to market, and...

I had always defined "tech" diving in my mind as any dive where an immediate, normal ascent to the surface is not possible, whether that is due to deco obligations, or due to physical obstructions (e.g. wreck, cave & ice diving.) However, I still think that it is appropriate to include...

If you have latex neck or wrist seals, use talc, not baby powder. Although similar, baby powder often contains scents and other chemicals which can degrade your latex. Rinse your drysuit after each dive w/ fresh water. Wax the zipper. Keep the vent free of dirt/crud. Store dry, in such...

I don't know about other agencies, but I know that for PADI, the very first confined water (pool) session takes place in shallow water, so students can just stand up if they have a problem. After that, however, for confined water sessions 2, 3, 4 & 5, there are skills and exercises which MUST...

Below is a copy of a message I sent to DAN (Divers Alert Network) about AED's on boats, along with their reply. I hope this helps. My question to DAN: I was wondering whether it would be safe to use an AED on a diver on an aluminum hulled boat. Is it possible for the charge to be...

Thanks for your reply, Dr. Deco! But now I have another question.... If DCI (the bends) is so unlikely to result from diving depths of less than 30 feet, why is it that pregnant women are told that they should not even use scuba in a pool? I understand (and agree) that with pregnancy...

Dr. Deco, Wouldn't that mean that it is impossible to get bent from any dive less than 30 ffw deep? Doesn't ascent rate play an important role? I realize that there is a very long NDL for diving to a depth of 30 feet, and most people will run out of air before that. Still, I think that...