View Full Version : Orp?

02/16/2007, 10:28 AM
what is ORP and why is it important? also im thinking of getting a calcium reactor to keep my cal/alk stable. would you just get a ph controller or is it better to have it hooked up to a aqua controller, or a DA reefkeeper 2??

02/16/2007, 11:41 AM
Oxygen Redox Potential. I think this is used as a measurement of ozone in the water.

02/16/2007, 12:28 PM
Close, its oxidation reduction potential. This article explains it all.http://reefkeeping.com/issues/2003-12/rhf/feature/index.php