What do the code numbers on the bottom of plastic containers indicate?
The Society of the Plastics Industry, Inc., has created a coding system for plastic containers. They began phasing it in on July 1, 1988. The code numbers (1-7) inside the three arrows on the bottom of plastic containers are used to distinguish the different type of plastic resins for recycling purposes. Many people use plastic containers to store and ferment their Kombucha Tea without knowing the type of plastic used in their containers or even if they are safe to use for foods. When using plastic containers to store food products, or for fermenting your Kombucha, it is vital that you know about the safety of the plastic container you are using. Not knowing this vital information can turn out to be a dangerous practice. Any plastic containers having a number higher than #2 are not safe to use for fermenting your Kombucha Tea or for storing it. In fact any plastic which has a number higher than #2 should not be used for any type of food storage. The following information will give you