Shark Tank

When Eric Roy pitched his water filter business, Hydroviv, to investors of ABC’s “Shark Tank,” they weren’t all sold. But the D.C. chemist didn’t need them all.

Don’t doubt the “Shark Tank” effect.

The founders of Soupergirl took their shot on the latest episode of ABC’s “Shark Tank” Sunday night but failed to convince the show’s investors that their D.C. soup company was valued at $5 million. Then Matt Higgins, one of the show's…

WASHINGTON — Sara Polon, who started fresh soup company Soupergirl with her mother Marilyn in 2008, will appear on ABC’s “Shark Tank” on October 21. Polon, a former stand-up comedian, has grown the business to 35 employees and two retail…