Birds who are converting to Harrison's, molting, overweight & underweight, under the age of 6-8 months or recovering from an illness should start out and remain on the High Potency formulas for a period of at least 6 months.
Harrisons High Potency Fine 5lb - Complete Parrot Diet, Pack of
Fab Finches Harrisons High Potency Fine for example a quaker, caique or cockatiel (2.27g)
Fab Finches Harrisons High Potency Fine for example a quaker, caique or cockatiel (454g)
Harrisons High Potency Pepper Fine 454g
Harrisons Bird Food High Potency Fine Organic Budgies 2.27kg (5Lb)
Fab Finches Harrisons High Potency Coarse for larger parrots, such as Macaws, Cockatoos and African Greys (2.27kg)