Spa Loops: An Affordable and Easy to Install Gunite Spa Plumbing KitSpa Loops is a prefabricated pvc pipe gunite spa plumbing kit that makes it much faster and easier to plumb a gunite or concrete spa. The spa plumbing kit includes six Waterway poly storm gunite jets. The Spa Loops Gunite Spa Plumbing Kit can be assembled in less than 20 minutes! The kit saves time and money as it can easily be assembled by one person. The kit can be installed before or after structural steel rebar.