A diver who said he’d been “pushed into” fire coral off the coast of Indonesia posted pictures of the resultant rash on social media and asked readers for advice in treating it. Reddit user buckbuckmow posted two images of his knee, shown below, that he said were taken five days apart, on March 21 and 26, respectively. In the first image, his knee appeared scraped, with a red, irritating rash. The second image appeared more ominous, with what appeared to be coagulated blood collecting just under his skin. “Nearly a week ago I scraped my knee on what I believe was fire coral in Indonesia,” he w…