Vermiponics is like aquaponics but using worms instead of fish. The worms eat scraps and create worm castings, the worm castings are then diluted and aerated to make a worm tea and the worm tea is then used as a nutrient solution in a hydroponic set up. If you want to find out more about vermiponics then take a look at the blog I've started about it to follow my progress.