My gtx 1080 idles around 50-55c and my pc is on most of the day. Should I set up a fan curve? Is this something that will reduce the lifespan and performance of my card? Also as a side note I clean my case regularly with duster but literally after a couple of hours there are white specs and stuff right back on the card. I heard some things can concentrate heat on your gpu and cause issues, is this anything to worry about?