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04-06-2008, 07:43 PM
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#1
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Little Fishy
Join Date: Jan 2008
Location: Fernandina Beach, FL
Posts: 321
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Proper ORP
Ok, so I got an ORP meter, and wondering what typical ORP should be. I don't use ozone. Currently I am running about 100-109. Is this enough? If too low, how do I raise it? Thanx
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04-06-2008, 07:46 PM
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#2
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BIG SMELLY MOD
Join Date: Dec 2004
Location: Livingston Parish, Denham Springs, Louisiana
Posts: 16,853
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is the meter calibrated? The reading of 100 is low, I think Your getting a false reading. What type of meter are you using?
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Vince aka VINNIE
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04-06-2008, 07:48 PM
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#3
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Little Fishy
Join Date: Jan 2008
Location: Fernandina Beach, FL
Posts: 321
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It says it is factory calibrated. It is new. The Hanna Instruments ORP/PH meter.
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04-06-2008, 07:53 PM
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#4
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BIG SMELLY MOD
Join Date: Dec 2004
Location: Livingston Parish, Denham Springs, Louisiana
Posts: 16,853
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When did you start using it? is the reading going up the longer it's in the tank?
My reading with a pinpoint was alway about 430 and would only drop after a water change, But I know other people that stay about 320 to 350 all the time, but I have never see one read that low
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Vince aka VINNIE
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04-06-2008, 07:56 PM
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#5
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Little Fishy
Join Date: Jan 2008
Location: Fernandina Beach, FL
Posts: 321
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I set it in the tank, and it is at 130. Not moving up much. hmm.. maybe should get a better meter.
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04-06-2008, 08:07 PM
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#6
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BIG SMELLY MOD
Join Date: Dec 2004
Location: Livingston Parish, Denham Springs, Louisiana
Posts: 16,853
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Quote:
Originally Posted by protege
I set it in the tank, and it is at 130. Not moving up much. hmm.. maybe should get a better meter.
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See what it reads tomorrow, Don't give up on it yet
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Vince aka VINNIE
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04-06-2008, 08:19 PM
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#7
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I've got the REEF rash!
Join Date: Nov 2004
Location: New Jersey
Posts: 24,555
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Mine always was between 370 and 400 without ozone,but with it I wouldn't go above 500.
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04-06-2008, 08:25 PM
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#8
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Big Fishy
Join Date: May 2007
Location: nashville
Posts: 948
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mine is 266 without OZONE
430 with it
100 is really really low. what kind of flow do you have?
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04-06-2008, 09:00 PM
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#9
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----------------
Join Date: Mar 2004
Location: Portland, Oregon
Posts: 1,066
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Switched to SW in 1975
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04-07-2008, 03:51 AM
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#10
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Little Fishy
Join Date: Jan 2008
Location: Fernandina Beach, FL
Posts: 321
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Ok, been sitting all night. Now reading 231. Quite a bit better than the 100. I will keep monitoring. Thanks everyone for your help, and great article Kevin.
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04-07-2008, 07:43 AM
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#11
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I've got the REEF rash!
Join Date: Nov 2004
Location: New Jersey
Posts: 24,555
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You will have a lower number after the lights go off.
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04-07-2008, 07:47 AM
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#12
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Shark
Join Date: Jan 2005
Location: Marlboro, Ma.
Posts: 1,305
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Mine normally reads about 375 without ozone. Drops to about 250 after a waterchange and takes a few days to come back up.
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