Kratky hydroponics is a simple, beginner-friendly method for growing fresh greens without pumps, electricity, or complicated systems. This passive hydroponic technique uses a static nutrient solution, allowing plants to access both water and oxygen naturally. Kratky hydroponics is ideal for small spaces, low-maintenance gardening, and anyone looking to start sustainable, soil-free foo... https://topbizlists.com/kratky-hydroponics-for-beginners-grow-greens-without-pumps/