Easy fix for spark plugs

Want an easy fix for those spark plugs that are fouled up with carbon? Take them out, invert them and spray with a generous amount of oven cleaner and let soak overnight. The next day, go over them with a tooth brush and rinse with water. The carbon is gone. If you are using inexpensive plugs like $1.29 for resistor I would reccomend replacing them. But, if you have expensive plugs such as platinum, double platinum or Iridium at $3.00 all the way up to $12 or more I would consider cleaning them first.