I have a customer that had his lawn killed with round-up and now wants me to de-thatch, areaeate, fert., and seed. I have told him itmay already be to late but seeing as his grass is dead, he dosen't have much of a choice. My question is which should I do first de-thatch or areaeate? By the way he had a soil sample done and told me every thing is good in that department. I am also going to let him know that I will do every thing or nothing next year, his choice.