After the 5 - 6 day wait the vinegar will have evaporated. If your soil is loose rather than compacted Just put a not too thick layer of good topsoil and a little compost mix on top of the area. Rake it in then plant the seed as instructed. If your soil is compacted you will want to till it some first to loosen it up then add the topsoil and compost. There are light weight composts out there. I'm not talking about the heavy treebark kind.
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