Orp levels? - Tropical Fish Keeping - Aquarium fish care and resources

 
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post #1 of 2 Old 12-26-2009, 11:32 AM Thread Starter
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Orp levels?

I just installed a JNS Dual chamber Calcium Reactor, with a new aquaticlife ph controller and orp monitor. the book sasys that orp of natural seawater is between 350 qnd 400. The monitor is reading an orp level of 128. I can not seem to find much info about orp and what the safe levels should be. Can someone please help out with this?

THANKS

120 GAL REEF TANK
40 GAL REFUGIUM
200 LBS FIJI AND TONGA LIVE ROCK
2 POWER HEADS
G2 SKIMMER
AQUARIPURE DENITRATER
RO/DI WATERSYSTEM
AUTO TOP OFF
500 GPH FLOW RATE
2 X 65W BLUE ACTINIC'S 420NM
2 X 65W 50/50s
2 X 250W 14K METAL HALIDES
SALINITY 1.025 REFRACTOMETER CHECKED
PH 8.5
NITRITE 0
NITRATE 0
AMONIA 0
DKH 10
MAGNESSIUM 1390 TO 1420
CALCIUM 450
TROPIC MARINE PRO REEF SALT
CALCIUM DUAL CHAMBER REACTOR
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post #2 of 2 Old 12-26-2009, 02:34 PM
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I am going to make the assumption that the subject of redox is far to complicated for anyone here to discuss intelligently, myself included. I say this because very few people rely on redox testing, and very few authors even approach the subject.

That being said, rather than offer any suggestions, I will point you in the direction of Randy Holmes Farley. Here is a link to his article titled "ORP and the Reef Aquarium"
ORP and the Reef Aquarium by Randy Holmes-Farley - Reefkeeping.com
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