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  • Nº10 # Date: 2016-12-23 - 09:16
  • # Max Depth: 22.2m Duration: 39mins
Diver's Notes

Skill to Hone: Impeccable Buoyancy Control

Divers will never achieve good buoyancy without practice and a conscious effort to actually think about buoyancy (visualisation).

Be patient. The plush lining of a dry wetsuit can trap a surprising amount of air, and therefore buoyancy, in its fibers, and it takes a minute or so to get fully wet.

Reach up.
* Hold the inflator hose over your head and stretch it upward a little so its attachment point to your BC is highest.
* Dip your right shoulder and squeeze the BC against your chest with your right arm. This maneuver encourages the last few bubbles to find the exit.
* Rock backward a little. Many BCs trap a bubble of air just behind your head. Rocking backward as if you are in a La-Z-Boy recliner moves the exhaust hose over the bubble and lets it escape.

Relax. Many of us move our hands and feet more than we realize, especially at the beginning of the dive. It's nerves: Without realizing it, your body is trying to climb out of the water. That generates upward thrust, making you seem lighter than you are. To counteract that,
*hold your right arm still at your side
* left arm is holding up your exhaust hose
* extend your legs and
* point your fins straight down so they have the least resistance to sinking.

Exhale. Another manifestation of nervousness is a tendency to hold your breath, and a lungful of air adds as much as 10 pounds of buoyancy. Exhale and hold it until you start sinking, then take shallow inhales until you get below five feet.

Force it. Another option is to use your body weight to generate some downward momentum by lifting part of it out of the water, then letting it fall back. Lying on your face, jackknife your upper body downward, then lift one leg, then another, out of the water. The weight of your legs will drive you downward, and once your fins are in the water you can kick down.

Dive Profile
Dive Location

  • Surface interval:60 mins
  • Temp: Surf 26°C Bottom 24°C
  • Dive type : Reef
  • Visibility: Average Water: Salt
Specific gear used
  • Mask: Scubapro - Synergy TruFit
  • Mask: Aqualung - Infinity
  • BCD: Aqualung - Pearl
  • Computer: Suunto - D6i
  • Wet suit: Aqualung - 1mm
  • Fins: Aqualung - Short FX
  • Gloves: Aqualung - 1mm
  • Knife: Aqualung - Steel
  • Lift bag: Aqualung - Red
  • Camera: GoPro - Hero 4 Silver
  • Weights: 5 kg
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Dive Profile

  • 1. Air
  • 12L Aluminium     200 → 50 bar
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  • Average depth: 17.2m
Data provided by EOL.org

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