I agree with Peter Guy on filming yourself, or have someone else watch you to see which parts of you are sinking and which are floating.
A few of things really helped my buoyancy. Practicing in a pool with your eyes closed, just focusing on the breathing pattern and rhythm. Diving with just a tank and no BCD in the shallow end, with less weight on your weight belt. If you can control your tank and become buoyant that way then having a BCD will make it a breeze. Learn to swim backwards (do a reverse frog kick), this will distract you from buoyancy and help you do tasks while neutral.
Being with somebody else really helps, they can often see things you cannot. Getting good buoyancy is like going to Carnegie Hall, practice, practice, practice!
A few of things really helped my buoyancy. Practicing in a pool with your eyes closed, just focusing on the breathing pattern and rhythm. Diving with just a tank and no BCD in the shallow end, with less weight on your weight belt. If you can control your tank and become buoyant that way then having a BCD will make it a breeze. Learn to swim backwards (do a reverse frog kick), this will distract you from buoyancy and help you do tasks while neutral.
Being with somebody else really helps, they can often see things you cannot. Getting good buoyancy is like going to Carnegie Hall, practice, practice, practice!