It has been observed that feeding tubes positioned in the highly acidic environment (e.g., stomach) may clog more readily than those positioned in the more neutral pH environment (e.g., small bowel).[1]

References:

Boullata, Joseph I., et al. “ASPEN Safe Practices for Enteral Nutrition Therapy.” Journal of Parenteral and Enteral Nutrition, vol. 41, no. 1, 2016, pp. 15–103., doi:10.1177/0148607116673053.

Acidic environments and clog rates-Tuesday Tube Facts