I spent some time early yesterday getting my tanks inspected and filled. I checked one of Martha's 65 cubic foot tanks and it had not been filled. I got it filled. Unfortunately, I did not check her second tank. Since my Suunto computer had died the night before and Martha's computer was also not working, we did not check the tank before Martha geared up.
We walked to the beach and entered the water off Tower 4. We walked in and swam out to the buoy line where we descended at 7:32 am. about 10 minutes later, Martha discovered that the tank was empty. We surfaced at 7:44 and swam back to the beach. We exited the water and walked back to the Jeep where we swapped tanks for her.
After changing Martha's tank we got back in the water and swam out towards the reef. We descended at 8:20 am over the edge of the sand and I spotted the tie-down and pin for the buoy that used to mark the vessel exclusion zone. The water was clear and we could easily see what was left of the blocks from the pin.
We swam East to the blocks East to the Wrap Around Ledge. We swam over the Ledge and out to the Rock Line, then we went North along the Rock Line to the tire and swam due East from the tire across the sand flat, past the Crescent Moon Rock and NE towards the Staghorn Coral. This time we found the Staghorn Coral and swam with the various Grunts and other brightly colored fish.
We swam East to the Sectioned Rock and then turned North to follow the Swiss Cheese Reef for about 250 yards, where it ended. We then swam East again then turned South to follow the Swiss Cheese Reef back to the Sectioned Rock and then West to the beach where we surfaced at 10:15 am.
Winds were calm and the water was, too, so getting out was much easier than it had been earlier in the week. The dive was 114 minutes. My actual consumption rate was 20.24 psi/minute. The Surface Air Consumption rate was 13.91 psi/minute and my Residual Minute Volume was .36 cubic feet per minute.
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