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Food and Water Safety When the Power Goes Out

…nt sodium hypochlorite as its only active ingredient.
Add 12 drops of tincture of iodine per gallon of water.
Add water purification tablets according to directions on the package.

Thoroughly mix one of these solutions, and let the…

5 min read

Rainwater Harvesting for Irrigation Water

…hing toilets, or washing cars; however, it is nonpotable and requires extensive treatment for use as tap water. Potable water purification requirements vary with state and local ordinances and must be inspected by local authorities.


14 min read

4-Hi Feels Great

…et Eve Hart
Team up with 4-Hi technical expert Eve Hart, also known as Edge, for hands-on, inquiry-based lessons about water purification, medical devices, digestion and pill coatings, and concussions.

Edge is drawn to technology and st…

2 min read