Cucumber and Aluminum Reactions
A used aluminum pie tin filled with cucumber slices deters garden pests.
A used aluminum pie tin filled with cucumber slices deters garden pests.
Although cucumbers do not produce the element aluminum, they may create a chemical reaction when in contact with aluminum. Cucumber skins contain the chemical curbitacinm, which is an excellent pest control substance. Spreading peels around sends many pests in opposite directions. Adding cucumber peels to an aluminum pan or soda sets off a chemical reaction that repels harmful grubs, beetles and even cockroaches in the garden, lawn and around the home.

Read more : http://www.ehow.com/info_10009725_cucumbers-produce-gas-aluminum.html