They’ll clean water. Banana peels aren’t just a prop for slapstick comedians. Study after study shows they can filter water by absorbing toxins, especially heavy metals in industrial waste like lead, copper, cadmium, and chromium. A recent study in Brazil found that the same batch of minced peels could maintain its purification abilities through 11 washes. New peel processing technology could one day make decontamination cheap.
Add orange peels (or any citrus peel) to a quart of white vinegar in a closed container and let it set for two weeks. Combine citrus/vinegar solution half/half with water and use for cleaning. Works on floors, tile, fixtures, etc. Smells good and is tough on scum! Best of all there are no chemicals.