Hydrogen Peroxide (3%) is a great disinfectant, but has an unopened shelf life of 1-3 years. But once you open the bottle, the peak effectiveness is just over 30 days, and about 6 months maximum useful activity.
Chlorine Bleach with approximately 6% of sodium hypochlorite (NaOCl) is a great disinfectant and good for treating water, but is only fully functional for 6 months, but becomes about 20% less effective as each year goes by. Mixed with water at a 1:9 ratio (10% bleach) remains effective only for about 24 hours.
Last but not least is Alcohol. Unopened, rubbing alcohol (isopropyl) has shelf life of 2-3 years. Note you can NOT drink this.
Distilled alcohol (ethanol), typically has a shelf life of 3 years, with pure ethanol lasting even longer and it also has 45 other uses, AND, you can make drinking alcohol at home by distilling a fermented grain mash made from sugar, water and yeast.
It can also be used in food and pharma applications, like cooking additives or cough medicines. Four ounces of whiskey, an ounce of soothing honey and two ounces of citrus juice (vitamin C) or Elder Berry juice, is a common home made "NyQuil" type of cold remedy, that soothes sore throats, disinfects & helps you sleep and heal.
This means that a 190 Proof drinking alcohol like Everclear, the Best Prepper Disinfectant. Ideally, we should practice our Prepper skills, but we should be aware that there are laws that regulate this and insure we do not get arrested as moonshiners.
This would be especially good to remember during a Pandemic.
For more information:Top 10 Posts