![RNZ: This Way Up show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/011/584/small/this-way-up-with-simon-morton.jpg)
Summary: We're making 'solar salt' at Lake Grassmere in Marlborough, turning seawater into table salt with a little help from the wind and the sun. With Dominion Salt's site manager George Williams, brineman Des McMillan, and salt harvesters Mark Morgan and Simon Bonniface.