The controller kit is attached to a bucket the same size as the pots you use for your plants.
Your buckets that the plants sit in are connected to each other by generally 1/2" tubing. The holes are drilled on the side of each bucket as close to the bottom as possible. A grommet is inserted and a barb fitting goes into the grommet and the tubing is attached to the fitting(s). You can have several (I have 7) buckets hooked up in tandem, all having "Ts inserted in the rubber grommets and maybe 12-15" of tubing going from one bucket to the other. The end bucket would not need a T, but just an elbow. Then the other end is hooked up to the control bucket also at the lowest point possible.
HOpe this helps

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