Heat Bath is rather tight lipped about their ingredients but the MSDS sheet for Thermo-quench salts show Sodium Nitrite, Potassium Nitrate, and Sodium Nitrate, and that would make sense since most low temp salts are a ternary mix. But even with the ingredient known, the easiest route really is to give Houghton International a call and order a drum and be set for the rest of your life. Heck if you want to recoup some of your cost you could sell some of the drum to other folks in the same bind, just be sure to keep at least four times as much as you think you will ever need and you will be fine. Avoid the temptation to listen to folks who want to tell you there is absolutely no difference between the real thing and "creative" substitutes. Other products were chemically engineered to do their specific task while quenching salts were made to do theirs. Hint- I have tried to do bluing in Thermo-Quench salts and with miserable results, Nitrate based salts may look the same but apparently the chemicals are combined in different ways.

Understood.

Thanks Kevin. Often what you want to hear and what you need to are very different things.

Seth

Just an FYI to all. Houghton is great when I comes to quenching oils but when purchasing HT salts they only sell by the pallet according to the people I have been talking with there.

Seth