Orp lowering with ozone

scotty333

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Guys,
I’ve just bought a Milwaukee mc500 to measure my orp and it’s currently 180 , I switched on the ozone generator (1000mg/h) on 400ltr tank and I’m 20 minutes it dropped to 150
?
 

Ironwill723

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Same thing happened with me when I first started running ozone. After a few days it slowly started rising again to my set point on the orp monitor
 
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scotty333

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The ozone’s been running 10 days without the controller for 3 hours a night
 

Randy Holmes-Farley

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I’d just keep monitoring. I don’t think there’s a real way ORP actually drops when using ozone, but the probe may take substantial time to equilibrate.
 
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scotty333

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Ozone’s running during the small hours so when I check at 9am it’s up about 10mv
 
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scotty333

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Cheers boss
I’m hoping when at 400-450 I can stop carbon for clarity purposes I mean
 

Randy Holmes-Farley

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