March 21, 2017 by Big Red Carpet contains approximately about 200,000 bacteria per square inch. This makes your carpet 4,000 times dirtier than your toilet seat. Read on to learn more about everything that’s thriving in your carpet. Related Reads Big Red Offers The Best Carpet Cleaning Service in Singapore Different Carpet Cleaning Methods How Often Should You Clean Your Residential Carpet? 4 Simple Steps for Carpet Care How Often Should You Clean Your Office Carpet?