Active Aqua Root Spa 5 gal 8 Bucket SystemDescription Deep Water Culture System: The Root Spa is a deep water culture system. This 5 gallon bucket system is simple yet highly efficient in growing large plants. By pumping raw air into the nutrient solution, without the need for expensive and often troublesome air stones, it is cost effective and ensures your plants thrive. Efficient Design: The system features a water tight seal to guarantee no leaks, an 8 inch bucket basket to hold your