Have you ever cleaned or sanitized the inside of your bottled water cooler?
Better yet, has your water provider ever informed you this is something you need to do?
Without cleaning and sanitizing every other bottle change; biofilms, algae, and even mold will start to grow on the inside of your cooler. These coolers require interactions to reload and resupply, subjecting them to a wide variety of cross contamination issues. Leading to what you see above.
Learn more about "The Unsanitary and Unsafe Practices of Traditional Bottled Water Delivery Services" with this downloadable presentation
FUN FACT:
Bottled water companies store their water bottles outside.
When plastic sits in the sun, it leaches harmful chemicals into water.
Algae starts to form and grow in water in as little as 75º F with direct sunlight.
These bottles sit outside for weeks or even months before they get delivered
to your business.