Larry I think the 30-0-5 is a good bet.
2nd round here...I am running 46-0-0 100% UFLEXX, at only about 3/4 lb N/K as lawns just do not need very much N right now. This makes a bag stretch REALLY far. Also see no need to run any P (obviously) or K this time of year.
7x14 Stealth SE Enclosed with 48" side ramp
08 Toro Z400 48" deck, 21HP Kaw with EZ Vac twin bag
09 Exmark Turf Tracer HP 36"
21" Toro SR4 Super Recycler
Stihl KM90 Kombi w/ straight shaft trimmer & tiller heads
Husqvarna 125B Blower
Turfco XT5 Aerator
Turfco LS-22 Overseeder
I can do all things through Him who gives me strength.