Terminate ice cubes immediately. Refer to the sticky in the forums as to why that is.
Yes, cut the spike back as close to the plant as you comfortably can.
Fertilize only three or four times a year. Orchids are not heavy feeders. You'll be wasting time and money.
Depending upon the media, type of pot you water it as it nears total dryness. Typically that is once every 5-7 days. Take the chill off of tap water. 90 degrees would be ok.
Please read ALL of the Phalaenopsis threads. There should be at least a dozen of recent vintage. They have a lot of good information.
Generally they bloom once a year, usually showing a new spike in October. First flower opens around Christmas. Last flower fades late February to April depending upon when it started to flower.
