I came across a little pretentious, I spend so much time reading and trying to absorb the information here, I got excited when I had knowledge to contribute. So to keep in that vein, water also exerts .433 lbs per foot of head pressure, regardless of volume. I do enjoy this place, my apologies for the self righteous spewing of water facts. Sent from my SM-N960U using Tapatalk No worries that's a little factoid that I will remember.:)