While it is okay to add one or two moldy slices of bread into a bokashi bucket, too much of it can spoil your batch. Never add liquids like milk or juice because the excess liquid can cause an unpleasant anaerobic smell & make it go bad. Some other no-nos for bokashi composting are: * Soda cans * Aluminum foil * Plastic * Glass * Styrofoam As most paper products contain hard crunchy cellulose, it can take a bit of time for the bacteria to digest. Be mindful with some paper cups because