flushing sinuses and pushing limits

[trux]

Water won't enter sinuses on the ascent, just as it does not enter when you are swimming. It happens only if you are head down, or inhale under water

[SEDATE]

Originally Posted by trux

Water won't enter sinuses on the ascent, just as it does not enter when you are swimming. It happens only if you are head down, or inhale under water

Ten years if think on it(-80m).. i will not find out the answer
Thank You Boss..