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Three great points. 1) Use the information available to you and make a decision on how you want to apply that information. It may not always be what you were taught at certification time. One should never stop gathering information about diving safely. 2) I like these rates. Ascend at...

I hope she reads this: I have known many divers who did not have the diving wisdom that your daughter has demonstrated. Blowing bubbles is great, but knowing when to stop is greater. There are hundreds of reasons to thumb a dive and most of them are a personal decision, if not all of them...

I have a few dives, and over the past year or so have started having a slight exhale through my nose. Not heavily but enough to notice a small stream of bubbles escaping from my mask. Oddly, this is causing my mask to break it's seal and leak a little. I can't believe it. This mask hasn't...

I wonder it the delicacy (lion fish) will taste the same when you eat your cat. You ARE going to eat the cat now, aren't you? :) Cheers - M²

I once was on a committee to rewrite some bylaws. A lady (I'm being nice) on the committee insisted that we use the AP style board English. I explained to her nicely (the first time) that the AP style board English was to standardize newspaper print (Associated Press). They don't write...

:rofl3:

When I was certified, I didn't tip my instructor. What I DID do was to let him talk to the women to whom I was married at the time while at a party. He was a real hound dog. I wasn't worried. Afterwards, my wife confirmed the fact that he thought he was God's gift to women. She said...

The common thread is the unit. SW should make it right. I realize that you are "convenient" to SW, but I have faith in them. Good luck - Cheers -

I was unable to connect. Mark at Shearwater was working with me and suggested that I go into settings and delete the Perdix device. I did and everything worked. Don't know why but it did. Here is the email he sent me: Please press “Start” and search: “Bluetooth and other devices settings”...

I know. I was just throwing numbers out. The point was having to solve a complex problem to go diving. Besides, if I hit a thermocline that drops the temp that much (45 degrees F), I'm thumbing the dive.

As I recall the rescue course not only taught me now skills it also taught me to use my entire skillset when stressed. It was one of the best courses I have ever taken. Keep your gear as it is now. You will have plenty to think about besides learning how to use a new configuration and...

For fire and rescue the helix 12 is the answer

My source has some "emphatic" advice. He has been using side-scan sonar for quite a while and I know he knows what he talking about as he has been on numerous searches and has never come back empty handed. He also says they are very affordable. More later. Cheers -

They both perform pretty much the same. The Teric is a watch/dive computer and the Perdix is just dive computer. I have both - one on each arm. The first few dives with the Teric, I thought it was too busy. I then made a few adjustments to the screen display (really easy to do) and then I...

Yes. If you have the enough disposable income to spend on a dive computer the Shearwater is worth every dollar for any type of diving - rec or tec. Cheers -

PM sent

I'm on an Emergency Services Board. One of our 9 volunteer fire departments that also does lake rescue and recovery uses SSS. I don't know what brand they use or the pricetag, but will check and get back to you. It looks like you're getting some good suggestions already. Cheers -

^^^^ +1

Can you guys take this to a PM thread? Thanks -

I may be stupid but I did a quick calculation on #44. I said to myself, "Self there is a 70' difference. That's about 2 atm difference. One atmosphere would half it to 2 liters. Another atmosphere would half it again to 1 liter. Allow a difference for the temp change. so guess answer a...