Three small squirts of handwashing liquid, fill it 2/3rds the way with baking soda, then fill the rest with cooking salt: works wonders in a dishwasher, is chea

Three small squirts of handwashing liquid, fill it 2/3rds the way with baking soda, then fill the rest with cooking salt: works wonders in a dishwasher, is cheap as hell, and pretty good environment-wise.