Should be cheap since it is waste product now. Add value by making it consumable seasalt. In Wetsern shops, seasalt is much more expensive than industrially produced pure salt.
True, Frank. As long as 1) supply vs. demand is right 2) quality is acceptable.
If you make more than you can sell or it is not good enough for consumption - you have no other choice but throw it back, doing your best not to mess the eco-system