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Anne Marie Helmenstine, Ph.D.

Where to Get Potassium Nitrate (Saltpeter)

By April 9, 2012

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Potassium Nitrate - Stump Remover (Anne Helmenstine)A lot of readers have asked me where they can find potassium nitrate or saltpeter, which is a common ingredient in many pyrotechnic recipes and other home science projects. The answer: stump remover. Spectracide's Stump Remover is potassium nitrate. In the United States it can be purchased at Lowe's or Home Depot, among other places. Also, you can make potassium nitrate yourself from salt substitute and a cold pack. Once you have potassium nitrate, here are some projects to try:


May 1, 2009 at 10:18 am
(1) Ruth in NC says:

Perfect timing! I was looking for a way to end our chemistry lab series with a flourish Monday.

And my 18yo pyromaniac will be thrilled with what he can do.


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