Thanks for that enlightening response Randy, but I don't understand?
Solar Salt
Crystallization sequence Seawater contains nearly all elements of the periodic system in varying amounts.
The quote from the company in the op - "They said it wont change seawater chemistry but will remove metals"
Heavy metals are natural constituents of the marine and freshwater environment, generally found in very low concentrations.
We are talking heavy metal removal but your post implies it will remove other elements because it removes heavy metals. Hence the confusion.



