I've just seen these posts - looks like you have a good plan happening there TC. I have only recently gotten more serious about my lawn, with the yearly scalp and topdress etc, trying wetting agents etc. This year I have a full plan which will include scalping, core aerating, topdressing with quality compost and bentonite clay (gutless perth sand) and a 4 weekly schedule of liquid and granular fertilisers, soil wetters, and things like seaweed solutions etc., several listed above. If you are happy with the amount of fertiliser you are using now I would stick with it. More is not always better.
