Yuk!!!

A new study by Treadmill Reviews reveals that reusable plastic water bottles have more bacteria per square centimeter than toilet seats and pet toys. The average water bottle has 313,000 colony forming units of bacteria per square centimeter compared to a pet toy, which has 2,937 colony forming units of bacteria per square centimeter. 60% of these germs may make you sick

A pet water bowl has 47,383 colony forming units of bacteria per square centimeter