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Old 11-04-2010, 08:29 PM
#1
pdnyc69
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Orp in a reef tank

I just started testing orp in my tank. I am testing through my apex controller. It is at 310. Is this good or bad. My system has 200 gallons of water volume. Also my sps polyps are not extending much. Any help would be appreciated.
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Old 11-04-2010, 08:38 PM
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TRUKINGNY
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tagging along will like to know this i was thinking about starting to test it but know how important it is
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Old 11-04-2010, 09:05 PM
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DrHarryLopez
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Oxidation reduction potential (ORP) I use it for my tank. My reef ORP varies btwn 300- 400, except when I do water changes when a sharp decrease occur then jumps back.

I use it as a reference to how my reef is behaving.
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Old 11-04-2010, 09:07 PM
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James
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I don't test for orp but have read this before, in case you havn't seen it...
http://reefkeeping.com/issues/2003-1...ture/index.php

What are your other parameters?
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Old 11-04-2010, 09:57 PM
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OzoneParkGuy
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I also use an Orp and use it as a guide as to how often to do water changes. Your system aswell as my own are roughly the same 193 TWV. My range after a water change is 300... ph is high then slowly comes down and the orp then slowly climbs up during the week and a half to 424. So I try to do water changes then.

Good reading...
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Good Luck & Happy Reefering!! Opps !!

120 Mixed Reef = 120 LS, 210Lbs Fiji LR,
500W DE HQI MH 14K PHX & 260W TB Actinics 12@ 1W Blue Led Moonlights = 772 Watts Total
50 Breeder Sump/Fuge w/ 6" DSB, 10lbs LR, Cheato / ASM G4 X
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Param's: PH 8.15, Ca++ 470, Alk 3.66 , dKH 10.2, Mag 1350, P04 0.1, Rest: 000's. ACIII.

Last edited by OzoneParkGuy; 11-04-2010 at 10:13 PM..
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Old 11-04-2010, 10:11 PM
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batt600
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I dont use a orp tester . I feel as long as you do your weekly water changes you should be fine.
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Old 11-04-2010, 10:22 PM
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OzoneParkGuy
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Quote:
Originally Posted by batt600 View Post
I dont use a orp tester . I feel as long as you do your weekly water changes you should be fine.

Always the best thing!!
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Good Luck & Happy Reefering!! Opps !!

120 Mixed Reef = 120 LS, 210Lbs Fiji LR,
500W DE HQI MH 14K PHX & 260W TB Actinics 12@ 1W Blue Led Moonlights = 772 Watts Total
50 Breeder Sump/Fuge w/ 6" DSB, 10lbs LR, Cheato / ASM G4 X
40Breeder Frag Tank .... Total W.V. 193 Gallons
Param's: PH 8.15, Ca++ 470, Alk 3.66 , dKH 10.2, Mag 1350, P04 0.1, Rest: 000's. ACIII.
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Old 11-04-2010, 10:25 PM
#8
pdnyc69
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So what is the ideal orp reading?
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Old 11-04-2010, 10:42 PM
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OzoneParkGuy
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They say 300 - 450
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Good Luck & Happy Reefering!! Opps !!

120 Mixed Reef = 120 LS, 210Lbs Fiji LR,
500W DE HQI MH 14K PHX & 260W TB Actinics 12@ 1W Blue Led Moonlights = 772 Watts Total
50 Breeder Sump/Fuge w/ 6" DSB, 10lbs LR, Cheato / ASM G4 X
40Breeder Frag Tank .... Total W.V. 193 Gallons
Param's: PH 8.15, Ca++ 470, Alk 3.66 , dKH 10.2, Mag 1350, P04 0.1, Rest: 000's. ACIII.
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Old 11-05-2010, 12:54 AM
MikesReef
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Orp

Quote:
Originally Posted by pdnyc69 View Post
I just started testing orp in my tank. I am testing through my apex controller. It is at 310. Is this good or bad. My system has 200 gallons of water volume. Also my sps polyps are not extending much. Any help would be appreciated.
If you want you fish and coral to grow bigger and strong they need a lots of air and that makes the differents in many tanks....I have been working will ORP now and it need to be part of you reading of you tank....if you want a good looking tank.....My fish do not die I have put the coral and fish to a test in the lab and as high as 65 to 70ppm of nitrate which should have kill anything in the tank, but keep the orp between 300 to 400 and had no lose of anything in the tank, so this reading is more improtant tant the Nitrate test....if you keep all the reading good you will never have any problem with anything.....

This reading you have is an ok reading. The reading should be between 300 to 400 if it goes higher or lower it's time for a water change or you have to skim the water more by putting the skimmer on a higher grade. You can also try cleannig it out. It is maybe time to clean it out. the cup I mean....here is a link everything about ORP read it well and you will know about it all.



http://www.reefs.org/library/talklog...an_080397.html
MIkesreef....
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