Regarding Mr. Yankee’s article: Salt in some water softeners is potassium chloride, not sodium chloride. Both are ‘salts’ but they behave differently. Be sure you are storing the sodium chloride variety.- SF in Hawaii
Hope this finds you and your family doing well. I’m not sure if this link has been disclosed in the past, and I am certainly no expert in this field, but this seems like a well thought out presentation for a fallout shelter. Keep up the good work, – R.C.