The Black Bucket Bubble System or Deep Water Culture Hydroponic System includes a net pot lid, a 5 Gal. bucket that serves as a reservoir, air pump, air stone, tubing for an inexpensive and bubbly Deep Water Culture Kit, a Via Volt 150-Watt Grow Light, 1 oz. drops pH kit and a Dual Outlet grounded multi-pin timer. Each fixture includes a 150-Watt High Pressure Sodium bulb with a built-in socket, power cord, and mounting hardware. In the winter months when the available hours of daylight may be insufficient for the desired plant growth, grow lights are used to extend the amount of time the plants receive light. The grow light plugs into the included Dual Outlet grounded multi-pin timer. There are up to 48 on/off daily settings with easy to use trippers. Trippers are pushed down for each fifteen minute on cycle. Controls cycles as long as 23-3/4 hours, or cycles as short as 15 minutes. The included pH kit are reliable and simple to use. Red (acidic) indicates that the pH is too low, blue (alkaline) indicates that the pH is too high, a yellow to a yellow-green indicates an ideal pH. Comes with an easy to match pH color chart.