Learn how to build a simple, effective worm farm using an old bathtub to transform kitchen scraps into nutrient-rich liquid and solid fertilizers. This guide details the ideal conditions for compost worms, including their preferred diet (excluding citrus and onions) and the importance of proper drainage and layering. Discover how to harvest your worm castings and "juice" every three months, ensuring a continuous supply of high-quality, bacteria-rich fertilizer for your organic garden. This method helps close the waste stream loop of your food system, promoting sustainable and productive gardening.