i would like to know what is is the best blade combo to use on a jd 54in deck. i dont like to mulch . it seems that my grass clippings are comming out farely fine but i would like them a little more fine. ive been useing jd high lift blades but i dont like them can i use one mulching blade one the disgarge side and the two hihg lift? will that help. or should i just use mulching blades all around.