Originally Posted by stewart194
Not to highjack this thread, but my wife literally just called to tell me that this happened to my starter again. It was fine before I left for work a few hours ago. Is putting loose fitting tin foil over these better than using foam stoppers? It might just be a coincidence, but it seems to happen more often, the older / more used the foam stopper is. Maybe the pores in the foam slowly get clogged?
Just have her toss a piece of sanitized foil loose over the top, it's okay to taper the sides of the foil down but not tight, all will be fine!