Oil pumper can for siding adds?

[JHZR2]

Anybody go this route? Seems real clean and easiest to dose in cars with a well sealed flap on the filler opening.

Not sure if it would be possible to get enough out per pump for it to be convenient...

 

[JHZR2]

1 qt goldenrod can from tractor supply is 1oz tcw3 per 4 pumps. Makes dosing easy.