Stealth Hydroponics DWC Basic Kit Deep Water Culture systems are an excellent way to grow hydroponically while cutting your costs. In a DWC system the roots lie in a constantly aerated nutrient solution. It is the perfect system for beginners to learn the art of hydroponics. Provides a 4 gallon reservoir of nutrient solution. The tight lid houses four strong and flexible 4 in net pots. A durable air pump and ceramic airstone infuse the nutrient solution with tiny life giving bubbles. Our downloadable PDF File helps you get growing quickly and efficiently!