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updated sold items.

I can take Paypal.

It's been a while since I've posted anything, I've got a baby on the way and my diving mission has changed (well, stopped for now). So, It would be nice to clear out some things that I just don't use: Sold - Dive Rite Large Reel- (red Spool) (400'?) - $75 Sold - Dive Right Small Reel- (blue...

Interesting idea. I wouldn't have thought of motorizing a paddle-board, but that looks pretty good. How does the weight compare with a sit-on-top kayak?

For a Beneteau, I would guess it to be more like .01%

You may also want to consider in your scenario if your emergency O2 bottle is even equipped to use underwater. Medical and scuba cylinders have different valves and regulators.

Wow. It looks like a pretty stiff current in some places and they all had 1 glove. Was this one glove specifically for holding on to the coral and rock? Did you question Craig about it?

This needs to be moved to the accidents and incidents section.

edit: {geez.... several responses before I can type my question} Pardon my ignorance.... Can I assume he was breathing a very high helium mix? I thought the bell/chamber for sat divers on a high helium mix was kept at something like 90 degrees F to keep the divers comfortable. If so the...

Had Lasik about 10 years ago; one of the best decisions I ever made. I had something over 20/200 vision before. (I couldn't even read the big 'E', or see the whole chart for that matter). Now it's 20/20. Oddly enough, I never needed contacts or a special mask underwater, I could see just fine...

Hello Dr. Bill, Having just returned from a diving trip around Catalina, I've noticed many of the "white" urchins on the kelp. Would these actually be white urchins, juvenile other urchins (black, red, purple.... ), or juvenile white urchins? The photos I've seen of adult white urchins have...

If the A700/MK25 is serviced/tuned properly, I bet you will not notice a difference. Calculate your SAC rate, then determine how much air you should be using at any depth. Note that many, many things will affect your SAC rate. If you still seem to be using too much air at depth... Tell your...

Mixed thoroughly and reach an equilibrium. I may do the math later. I suppose I am disagreeing with post 173. (remember: I'm just some guy on the interwebsnets) ---------- Post added June 23rd, 2015 at 04:39 PM ---------- I would have to go with "c."

If you took a set of doubles with the isolation manifold closed, and filled one tank with 100% O2, and the other with 100% He. Both tanks to the exact same pressure and temperature.... Unless you have an orifice that is only the diameter of 1 atom, when you open the isolation manifold the 2...

I recently got a Vostok Amphibia. A dive watch with Automatic movement that can be had for $45-$80. They have an interesting history and anything can be replaced/modified or adjusted. Search an online auction site for "Vostok Amphibia". The seller "Zenitar" probably does 99% of sales for...

If these are for LP72's... 7" bands work just as well, if you want to expand your search.

one of theses?: XS Scuba PVD Manifolds

Tobin, I know you have a lot more experience than me, so I'll say my piece and leave it at that. It seems as if an absolute statement with regards to simply asking a question was made. I'm not saying training or mentoring isn't wise, but without intent, asking a question is not irresponsible...

What irresponsible behavior is being encouraged?

"Hold my beer and watch this..."