I’m fairly certain that my parents have a tub with jets, and have used Epsom salt in it before. But I don’t know if they used the jets, or if they just got lucky… Salt increases ionization. So. If the salt gets to any metal parts, it would be bad. If the mixture isn’t too salty, I don’t see how it could clog anything… I’ll check in later, to see. Maybe LuckyGuy, or AreYouKiddindMe might know. Shoot them a PM, to see if they’ll contribute some info…