Green algae

And I did some research, and I switched about late '90s into potassium thiosulfate, KTS.

The reason for that was there was a paper that came out in 2001, and, and it's a pureed paper, Thiosulfate Enhances Silver Uptake in Green Alga, Role of Anion Transporters in Metal Uptake.

And what this paper alluded to was that it did matter what potassium was attached to.

And in this case, the paper showed...