325-380 mV but I would like in the higher end of the range
When my lights are off the redox levels are higher but this is related to temp drop when the lights are off. When you change your water the redox levels are low anyway. Also the drop in redox is related to where you have the probe located and it does take a while for the redox probe to re equlibrate after a water change( a couple of hours.
Last edited by fencer; 01-30-2009 at 03:15 PM.
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