Are we sure about air? Last I heard ws that air was not a solvent for the active
chemical and it was contact only.

Thom Bradley
Chesapeake, VA

Bill Truesdell wrote:

> Probably. Just get the air out as much as possible.
>
> Main thing is to keep the Apistan away from air, heat and light,
> the big three contributors to reduced efficacy.
> Bill T
> Bath, ME