Now this sounds like serious nonsense: Does the water entering the
barrel get heavier than the outside water, once it is inside?
Or was this the best a seven foot troll could do? Then try fuel filter
topics for the best results!
only thing i would warn is make sure the barrels are not locked into
the dock.
if one gets a crack or hole in it its going to cause problems unless
it can fall out.
if it cant it will pull its section down as it fills with water.