HMAS Brisbane for the 2nd time. Its a great dive site and Sunreef Diving and their "To Ezy" boat make it very comfortable, all be it a few people lost there breakfast in the 1.5m swell.
The growth on this site is incredible for only 18 months under water.
Back in August on my first visit I used air on the 2 dives and with only 62m surface interval I was very close to deco on the 2nd dive and couldn't get to the engine room. This time I used 36% Nitrox on both dives, no deco problems at all this time.
There was a giant Groper in the engine room about 1.8-2m in length. A shovel nose shark was swimming around in the distance and didn't venture to close to the wreck.