Marc from Arlington writes
Besides one label stating a slightly different number of days between applications, what is the real difference in formulation or behavior? Zoecon has not been helpful, nor has another distributer...
Altosid XR-G is a 21 day pellet sold in bulk and Altosid Pro G is a 30 day pellet and is only sold in a smaller container.
Answer last updated on: 05/18/2017