eric ritter on Instagram: "So yeah this salt does have a pretty high amount of lead, on the Celtic sea salt “fine ground/selfin” one bag had about 600ppb another had had about 300ppb - the light Grey Celtic had about 510 ppb. What is a ppb? It’s a microgram per kilogram, why is that a good reference? Because adults can eat 7700 micrograms a day and not get an “elevated” blood lead level all day. So will this salt give an adult high lead levels? If you eat 1 grams your consuming about 500 nanogra