PolarisX

When we did this, we would sterilize the tweezers under flame between touching any objects, the vials went in an autoclave, and we would still get false positives, just because something landed on it, mis handle, etc.

It's super easy to mess up e. coli tests.

I was in waste water. One wrong move and it was game over for testing.

We ran UV only with no chlorine at our plant, no problems. The UV system is a total pain in the ass however.

Testing wasn't bad. A half broke down septic chopper pump, that was bad.

Yeah I was talking WW treatment.