On Thursday, May 5, 2016 at 5:50:42 AM UTC-7, Bob wrote:
Hello,

Live in Mass.
Have an Asphalt driveway that has a considerable amount
of green Moss (algae ?) on it.

Tried Chlorox, right from the jug.
Makes the Moss look unhappy for a few days, then perks right up again.
Obviously, Chlorox won't kill the stuff.

Anything I can buy in HD that comes in an easy to apply jug, that really
and truly works ?

A bit on the elderly side now, so something easy to apply is important.

Thanks, as always,
Bob

Years ago I used bottle of iron sulphate (FeSO4) solution that killed off moss (for a while)
May have been called "moss away"