Clog Zapper Enteral Feeding Declogging System. Safely zaps clogs in all types of feeding devices: NG Tubes, G Tubes, PEGs, J Tubes and Low Profile Devices. Pre-mixed, pre-measured and pre-loaded system. Clog Zapper is a food-grade powder, designed to break up formula clogs in most enteral feeding devices. Kit Contains: 1- 10mL Oral Syringe with Declogging Powder, 1-10mL Oral Syringe, 1- 12″ Applicator and 2- 4″ x 4″ Gauze Pads.