November 12, 2021. Season 13 episode 6 of ‘Shark Tank’ saw Dave Heimbuch jump into the tank with his app, Hidrent, hoping for a deal with the Sharks. Hidrent is an interesting service that enables firefighters to find part-time employment during their time off, thus helping elevate their income. The impressive and thoughtful service.

Product description Ingredients: Potassium nitrate BP, sodium monofluorophosphate usp, triclosan usp, colour: Brilliant blue FCF. Available fluoride content 917 PPM. Product information Technical Details Additional Information Feedback