Enzymes, Juice, and Soda Unable to Clear Clogged Tubes – Tuesday Tube Facts Mar 3, 2020 Did you know…? Of 9 solutions to clear clogged feeding tubes in one study, none were able to restore patency within 4 hours. The solutions were 6 different enzymes, cranberry juice, soda, and distilled water. More than 4 hours without a functioning feeding tube may impact a patient’s health. Read the Full Story References: Nicholson U. Declogging small-bore feeding tubes. JPEN J Parenter Enteral Nutr 1987;11:594-7.