Step 1

Bring the water to a boil and add onions, jalapeno, and cayenne.

Step 2

Reduce the heat to simmer, and stir occasionally for a half hour.

Step 3

Allow the mixture to cool to room temperature.

Step 4

Strain the liquid only into the sprayer.

Step 5

Spray areas where squirrels don't belong.

Step 6

Repeat after it rains.