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30/75 for cave diving (Apprentice level, nothing huge). I adopted the setting from my initial instructor, who was in his late 60s and planned very conservatively. I use 50/75 for Lake Michigan wrecks because those dives are less physically demanding and typically shorter due to low bottom temps.

Oh no! I'm hoping that a couple of rides in the round room resolve your symptoms and that you're able to rejoin us in the water when you're ready.

Hi! I grew up in Indiana Township and only managed to escape orbit after graduating from Pitt.

Day 10 (Thursday, July 16) – Part 2 Both dives went well, although the second was more successful than the first. The pattern this week is that I don’t have a lot of chill on tap during the first dive and my air consumption is through the roof, and then I calm down on the second dive when I’m...

Day 10 (Thursday, July 16) – Part 1 Two corrections for posterity: I know that I said that this week’s goal was to work on my Apprentice+ card, but after yesterday’s rest day and the fact that I have class tonight, I decided that I wanted to spend today and tomorrow playing. I know that I also...

Psst for cave-country area divers: I'm hoping to do the Spiegel on one day this weekend, but I would really be delighted to go back to Peacock on my own time with a buddy. Will happily pay for your fills and park entry to have the pleasure of your company.

Belize is a great beginner trip, and then Fiji can be your second or third trip. Decision agony solved!

Day 9 (Tuesday, July 14) Reader, the conditions at Little River were not merely fabulous. They were close to the very best that Chris has seen in twelve years of Florida diving. It was so nice, we did guided dives twice. I’m turning into a fan of same-day repeat dives for these new sites. Dive...

I'm not familiar with them at all (haven't made it to Utila yet), but their Facebook post was a really lovely and thoughtful description of how they're going to reimagine the resort into a village for their staff and families, providing work and schooling for kids, to help their employees start...

I remember my first dive trip to Belize (a mix of an offshore island and some time on the mainland) very fondly. It felt less expensive than Mexican cities in the Yucatan, less touristy, U.S. dollars were accepted on a fixed exchange rate of 1:2, and English is the predominant language in use in...

Looks back at post content... I did leave that part out, didn't I? We did catch it before it became cancerous and I'll be on a monitoring schedule for a few years.

Day 8 (Monday, July 13) - Part 2 I was not willing to end the day by having lost to the laws of physics by seven-hundredths of a cubic foot per minute, so I asked to repeat the program on our afternoon dive. Based on having seen the passageway before, being more familiar with the navigation...

Day 8 (Monday, July 13) - Part 1 As I mentioned, one of my goals with this trip has been to dive sites that I’ve never been to before. I mean, Ginnie Springs is a wonderful place but I am completely ready for a change of pace after six training days in one spot. I don’t know if I can avoid it...

Trip 3 Prologue The last time I was here, I left specific instructions to hide the palmetto bugs and hide the gators. The six-foot gator chilling in Pothole Sink this morning clearly did not get the memo. When we left off last time in September, I had finished the old NSS-CDS Basic curriculum...

The springs are generally too cold, per this publication from the Queensland Health ministry: The northern Florida cave springs are usually 21-22oC (70-72oF) and circulate rapidly and do not warm that much in the sun. It's unlikely that the amoeba is present in the water but could be in the...

It depends on the severity of the roll and how much negative space there is for water to intrude. However, I'm glad to see that you've found the problem and it should be a simple repair.

Are you neck and wrist seals rolled at all? That can introduce the potential for a slow, consistent leak during the dive.

In my experience, being able to wring moisture out is more indicative of a leak than excessive sweating. The former definitely feels wet when you touch it, whereas sweat just feels damp or aggressively damp. For troubleshooting, I suggest checking the following: Make sure that your dry zipper...

Fins might be an issue, but you should route all equipment questions through your instructor between now and your class.

Fundamentals is not like Open Water training. It's a bootcamp for GUE technical diving, which involves performing at a higher standard of knowledge, judgment, and skill. It can feel like a firehose, even for experienced divers with tech training from other agencies. All of your time will be used...