Gorilla Pad:
Gorilla Padding is a geotextile that adds a layer of cushioning that will eliminate footprints from forming on the pool floor. It is cut to size and seamed for your pool. No more cutting and taping as with foam. Can help prohibit vinyl pool liner bottom leaks with Gorilla Pad. Will inhibit weed growth from causing holes in your pool liner. Material is 1/8in thick.
Ground-Fault Circuit-Interrupter (GFCI):
A device that protects a circuit from branching off by quickly de-energizing the path of electricity when it senses current loss. These are required when operating a Robotic Automatic Pool Cleaner.
Gunite:
A can of cement or sand that, when mixed with water at the nozzle, is sprayed onto surfaces as a protective barrier to help build or re-do a pool or spa.