Kushley Gallon Refill Concentrate. 

Recycle, clean any gallon container. Fill with water first but save room to add your 2oz Concentrate.  Double or triple rinse the 2oz container then slowly finish filling container with water.  Put cap on tight and shake, roll to blend concentrate thoroughly. Now you are ready to refill your favorite spray containers.

Keep handy and at the ready to clear the air on the spot.