Drip systems can use a number of different types of containers but the operation is usually very similar. The nutrient solution is stored in a reservoir. A pump in the reservoir has tube connected to it that runs up to the base of the plant. The tube may branch off to smaller tubes feeding many plants. It works just like a drip irrigation system in your yard. In fact, you can use most of the parts available for drip irrigation systems like drippers, stakes, tubing and fittings. If the nutrient solution is going to be recovered, the containers should be above the reservoir so gravity can do the return work for you. If not, the system becomes more complex with another pump to return the water. Of course you don't need to recover the nutrient solution at all, it could just run off. This may not be the best setup if it's in your extra bedroom. Some drip systems run continuously, others are on a timer.
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