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Without context I'm not sure what the author is getting at. However, it takes time for partial pressure blends to mix if the gases are added slowly (as they should be). If the tank is analyzed immediately after a PP blend started with O2 and finished with air the analyzer will often read a...

Parker. Use the brass ones. The SS ones gall eventually.

Recommended reading: http://www.seasubsea.com/index.php?option=com_rokdownloads&view=file&task=download&id=87%3Aunderstanding-scuba-compressors-and-filtration&Itemid=75

I have two crushed neoprene suits and a trilam. I haven't dived the trilam in quite a while. It's a good suit and it fits well but the crushed neoprene is far tougher for wrecks and other places where there might be sharp stuff. From a diving standpoint the crushed neoprene suits are warmer...

I seem to have gotten lost on the way to the Pub, and ended up in a deli! But carry on...

It is possible to run out of luck in a big way (underwater cave or wreck collapse, collision with a submarine, marine life hazard, etc.) but in general I do not agree. The deeper you go, the more you need to have thought through the contingencies and brought the right stuff with you. Training...

<snip> May I offer an alternative? Get a number of pill bottles, one per dose per day. Mark them with the time you are allowed to take the meds and the meds they contain (combine them in one bottle when they coincide). Put a 24-hour clock next to them and line them up in order. Replenish a...

Yah, well...have you ever brought up a diver in distress? (Not casting aspersions--perhaps you have done it more than I.) There are a million things going through your mind as you try to balance risk/benefit and keep razor-sharp attention on the situation--risk balancing for yourself, and the...

Rescue Diver? They should just give her the card. Awesome job under severe pressure.

When I was younger, my saliva worked fine. Then it didn't. These days I use dollar store baby shampoo. One bottle lasts several seasons. It's in the milk crate with my masks, reels, lights, lift bags, etc. so there is no danger of it being left behind.

DRIS or NESS will have something good, and reasonable, and they both ship promptly.

A possible sign of diabetes. Get assessed for it, if you haven't. The neuropathy can be nonreversible.

In our area there is a nonprofit that has a lending library of things like this, at no charge. Maybe there is something like that near you. If Google doesn't find one, call a couple of nonprofits (Habitat for Humanity, YMCA, etc.) and ask to speak with the operations manager or the executive...

In my basement, where I set off a brace or two of insecticides. With a mask, pony bottle, and reg I could enter the space safely to open doors and windows to ventilate it afterward. Not technically a dive, but below ground level! ;-)

Happy you are home so soon. The process of healing can be a bit uneven. It should get a bit easier and less painful day by day. You've come pretty far in a short time. Take your time.

There's a Dam-Fino Construction company near here. For real. Honest! I always want to add an "I" to the name.

They are. There are "regular nurses" (not running them down at all; wife, mom, and several cousins are nurses), and then there are ER, ICU, and OR nurses. The latter are a different breed. It's not that the others couldn't do it, but that they *like* those specialties. Why was I not a nurse...

Well, they don't know you very well yet. ;-)

This has a lot more words than it needs, and appears to have been written by a non-diver. Every diver would of course love to have a mask that never fogs. Everyone on this board also "understands the fogging issue." But frankly, nobody cares what the solution is. Nanotechnology, chemistry...