Lost and Found

[Gatto Nero]

Originally Posted by DRH

Any theories on why the lake water is much more corrosive at 16' than at the surface? Is it a function of depth, or is the water more corrosive near the bottom regardless of depth?

Could it be that lower part of the the chain is resting on the bottom, and therefore constantly being rubbed against it as the boat moves? Wouldn't this, in addition to wearing the chain on it's own, also rub off each new layer of rust making way for a new layer of rust to corrode it further?