ข้อเท็จจริงสำคัญ

• Roots hang in oxygenated nutrient solution 24 hours a day
• Air pump and airstone are essential — dissolved oxygen prevents root rot
• Among the fastest growth rates of any hydroponic system
• Simple design with few moving parts; low maintenance once established
• Ideal for lettuce, herbs, spinach, and fast-maturing leafy crops
• Net pots hold plants suspended above or at the waterline