Originally Posted by nim75sg

Suggest that you turn off the Sander C200 as you're injecting 100mg of O3 to your tank capacity of less than 1000 litres of water resulting in a possible risk of over dosing.

Fyi, 100 mg supports 1000 litres of water and do you use activated carbon to absorb any stray O3 before they gets to the main tank?

Secondly, review the postings in this thread and you will get a better understanding why you need to "run-in" the ORP controller probe and as well as how to set-up the ozone generator in conjuction with the orp controller.