Ahh yeah my circulation pump only runs intermittently, so I guess that means the ozonator is only running intermittently.
I monitor ORP with a pHin, I keep seeing that chlorine can be less effective with high levels of CYA, that bad bugs can grow in lower levels of chlorine, etc. but if my pHin is showing that the ORP is in acceptable range, that should mean that it’s continuing to be clean, whatever the mechanism (be it ozone, chlorine, mineral sanitizers, etc) right? So if I’m gone for 3 weeks and the ORP stays in good range, should be safe to jump in when I get back, albeit with some e