Ruslan Sharov on Instagram: "“90% of people don’t know what a contaminated watermelon looks like.” Read that again. Because this isn’t trivia — it’s something you might be feeding your family. Jones explains what’s really happening behind the scenes. To grow watermelons faster, many farmers inject them with nitrates. Not trace amounts. Sometimes 10, 20, even 50 times above what’s considered safe. And the scary part? The watermelon shows you — if you know how to listen. The biggest danger sign: y