National Association for Cave Diving

10/18/2026

More helium, more post-dive bubbles?

A newly published study involving 19 experienced rebreather divers found significantly more circulating gas bubbles after heliox dives than after trimix dives.

But there's an important distinction: none of the divers developed decompression sickness, and the researchers say the implications for actual diving risk remain uncertain.

The findings raise interesting questions about breathing-gas composition and decompression physiology.

🤿 👉 https://buff.ly/CezKcvy

10/09/2026

https://www.facebook.com/share/p/1A4H3JyqhW/?mibextid=wwXIfr

A proposal to sell a large portion of the Sand Hill Scout Reservation is renewing a debate over the future of the Hernando County property and whether hundreds of acres could eventually be developed.

10/07/2026

Sand Hill Scout Reservation/Dieploder Sinks
Get to as many meetibgs as possible. Request from the County Clerk notice of the agenda for each meeting. There are two meetings each month First is on Land Use and the end month meeting is on Planning and Zoning
https://www.hernandocounty.us/building-development/building/planning-and-zoning/

https://hernandocountyfl.legistar.com/Calendar.aspx #

https://media-002-us.cdn.govstack.com/hernandocounty-us/media/lh0lj0cg/2026-bocc-meeting-schedule-approved-land-use-hearings-12-16-25-1.pdf

https://media-002-us.cdn.govstack.com/hernandocounty-us/media/pynf001j/land-use-meeting-october-6.pdf

https://media-002-us.cdn.govstack.com/hernandocounty-us/media/icvjdziv/2027-bocc-meeting-schedule-approved.pdf

10/07/2026

https://www.facebook.com/share/v/1Bxk2gbuj6/

The NACD was in attanedance and will continue to participate in this process.

10/07/2026

https://www.facebook.com/share/p/1KjkEEhqkc/

Hundreds of residents, environmental advocates and Scouts packed Nativity Lutheran Church in North Weeki Wachee Tuesday night for a public meeting about a proposal to sell nearly half of the Sand Hill Scout Reservation.

09/24/2026

More information on the Sand Hill Scout Reservation Land Sale-Diepolder:

09/24/2026

https://l.facebook.com/l.php?u=https%3A%2F%2Ffloridaphoenix.com%2F2026%2F09%2F24%2Frezoning-florida-scout-camp-land-for-development-has-deep-ramifications%2F%3Ffbclid%3DIwZXh0bgNhZW0CMTEAcGRvZgNzcnRjBmFwcF9pZA80Mzc2MjYzMTY5NzM3ODgAAR5RQmIrMoWb4Otf8VWXdYKfsJfUlbq3lRAdPElba7ntPBo8uGxhfs9PWjCc_Q_aem_OCkQ7F_logk7CD_Fe-BWYQ&h=AUCYyZpKXI3IqFrRz516N_wH0vAYMVul5kd1zYBBh9QtizFVUPqk5hUZ9p1Y1BAOIVCKcEzl9uA6YT2TmXfY2rUYe26PzUYnn1yBLYVIq9W_IN0VdYWbDSpBg1_yDxRhtvTRQoDwKXvV&s=1

Back when my kids were in Boy Scouts, our troop spent a lot of time at the Sand Hill Scout Reservation in Brooksville. We always brought home a lot of that sand — in our tents, in our uniforms, and in our shoes and socks. Still, I found that place amazing. Just an hour north […]

09/23/2026

To all the cave diving community within the State of Florida. Florida Park Service reached out to me today to discuss at a future date how we the NACD can help preserve, educate and service cave systems in the state. More to follow

09/18/2026

Part of the Diepolder Sink issue

06/02/2026

https://www.facebook.com/share/p/1XRWdHuqqA/

Why You Always Need to Be a Self-Reliant Diver—Even When Diving with a Partner