This is a spot where cracks often develop. After cleaning with a a mildewcide, check carefully for a crack. If the grout is cracked, open the crack up a little wider with a grout saw (inexpensive at a ... read more
We recently purchased a new oven/range as the last one had a pretty bad gas leak. Glad we did as it was a potential danger. We got it on sale also, which was an added benefit!