Ok, hypothetical situation: New customer, sick of the old chemical ways, no tolerance for weeds etc....typical customer! Since I really haven't changed anybody over yet, #1, what should I expect to run into on a lawn like this. The turf is in good shape (at the surface), low OM and little to no activity PH is fine. Pretty much being artificially sustained by synthetics. There is irrigation which I will monitor. My first action is soil test, aerate, compost. I'm thinking that I'll need to give it a shot of fert....to help get it through detoxification, so what could I expect to see. Oh yeah, typical cool season lawn....average sun, heavy on the bluegrass.