Not sure how many of you guys monitor orp, I can tell tho from that level when to do a water change it hovers around 340 about a day after a water change, naw is around 250 but once it recovers I watch it and when it starts to fall again I do a waterchange. I can notice if I leave it drop a little more things start going a little funny.
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank
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