You may know it as saltpeter in the USA I.

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These factors are similar to those you might use to determine which. Jun 13, Jun 16, I cannot get either of CRounds's websites to come up, but I recall reading on the label of a can of stump remover that it was just KNO3 (potassium nitrate). You may know it as saltpeter in the USA I think.

Potassium nitrate is used in niter bluing. Niter bluing involves melting KNO3, then putting the clean metal in stumpcutter.buzzted Reading Time: 6 mins. Aug 14, Aug 15, Search for"home bluing". Not all stump remover is potassium nitrate, the stuff Lowes sells is. That combined with lye will give you bluing salts. I have also used"Drain Out", it has all the ingredients needed, the aluminum will burn out when water is added.

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A turkey fryer thermometer works and you want to heat the salts to . Jul 20, Jul 27, 1 part Sodium Nitrate (Chile Nitre or Chile Saltpeter), 2 parts Caustic Soda (Sodium Hydroxide) and two parts water by volume. Do not mix in an Aluminum pan. Mix and boil in a steel or enameled container. Boil gun parts at degrees. Maybe the extra gallon of water is for a rinse bath and to adjust the mixture for evaporation loss. Jul 27, Aug 07, For nitre bluing, I use potassium nitrate stump remover, sold at nurseries and big box home improvement stores.

You need the stump remover, a pan, and a heat source. I bought a stainless steel pan at a thrift store, after a thin sheet metal bread pan rusted out.

Heat source is a Coleman stove.