New to ORP/Ozone

[Falcar]

Good morning all!
About two weeks ago I added an ORP probe and about a week ago I added an ozone generator. My ORP was slowly rising in the 300-range but this morning I woke up to this:

Not sure what could be going on here. Any ideas on things to check?

 

[Randy Holmes-Farley]

Dirty probe? Snail on it? Not many things will drop ORP that much except test error.

Adding a reducing agent such as vitamin C would drop ORP a ton, but would likely be faster than that.

Feeding anything different?

Dosing iron? Hydrogen peroxide? Both reduce ORP.

 

[Falcar]

Dirty probe? Snail on it? Not many things will drop ORP that much except test error.

Adding a reducing agent such as vitamin C would drop ORP a ton, but would likely be faster than that.

Feeding anything different?

Dosing iron? Hydrogen peroxide? Both reduce ORP.

I haven't made changes. I'll check the probe though, something might have gotten on it or something.

Thanks so much!

 

[Randy Holmes-Farley]

FWIW, a big dead fish or other dead creature might also drop ORP like that.

 

[IKD]

Do you dose anything? I see a drop when I add amino’s or something like NoPox.

 

[Falcar]

I ended up rinsing the probe and it came back! Thanks for the tips guys, I hadn't thought of looking at the probe as it was fairly new.

 

[Randy Holmes-Farley]

Looks good.

Happy Reefing.