"Joe" wrote:

Where do you live?

Greater Los Angeles.

What kind of trees?

Cedars, cypress, pines, birches are the ones from which I
get the troubling sap.

Deciduous sap is different from
evergreen, cactus from bananas, etc.

I didn't know that. Do you use a different product for
deciduous, evergreen, cactus, bananas, etc?