On Fri, 15 Aug 2014 17:24:18 -0700, "David E. Ross"
wrote:

Just be sure his device pulls plugs of soil and does not merely spike
the soil. The former actually aerates; the latter compresses the soil
around the holes it punches and makes things worse.

The OP has read this advice from AHR.

I wish he could make up his mind in the matter. Take some action and
use the advice already given. Tell us if we were wrong.