You could try rehydrating the pellets before feeding so that they are more easily digestable. I put my dry food into a 1/4 measuring cup with a little tank water mixed with either Garlic Guard or Vita Chem. Within a few minutes, you're ready to feed. Dump the contents of the measuring cup into the tank. The pellets will immediately sink and I think it'll get rid of your problem.
75: blood parrots, featherfin cat, emperor tetras, turquoise rainbowfish, BN plecos, japanese trapdoor; 46: WCMM, gold inca snails, ghost, bamboo & amano shrimp, kuhli loaches, rummynose & ember tetras, endlers, platies, flame gourami, guppies; 16: pygmy, peppered, loxozonus corys, otos, assassins, RCS ... ~ Research PRIOR to purchase.... ~