Any liquid, cheap watered down ketchup, or thick delicious chocolate syrup. This pump will handle it all in 1 Oz increments! Dispensing 1 Oz at a time too much? Reduce it in 1/4 Oz increments. Fits the stainless steel jar (94009) or any opened #10 can. Polycarbonate construction is impact resistant while being dishwasher safe. NSF listed.