Essays on sweat, salt, heat, and endurance running.https://salz.run/https://salz.run/blog/diy-electrolyte-kit/https://salz.run/blog/diy-electrolyte-kit/I switched from $1.50-per-stick pre-mixes to four powders and a kitchen scale. Costs about $0.25 a bottle and works better for the kind of running I do.Wed, 06 May 2026 00:00:00 GMThttps://salz.run/blog/how-to-measure-sweat-rate/https://salz.run/blog/how-to-measure-sweat-rate/The single most useful data point for hot-weather running. You need a bathroom scale, a water bottle, and one hour of honest effort.Wed, 22 Apr 2026 00:00:00 GMThttps://salz.run/blog/why-i-built-salz-run/https://salz.run/blog/why-i-built-salz-run/I'm Sean. I'm a heavy sweater training for my first 100K, and the LMNT bills got embarrassing. So I sat down with a scale.Wed, 08 Apr 2026 00:00:00 GMT