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#1
03-03-2016, 11:57 PM
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ORP Readings - What's "Normal"?
I finally hooked up the ORP probe for my Apex. It's been the in sump for about 35 days. The cord is separated from other power cords as well as about 1.5 feet away fro the nearest pump. My readings started in the mid 200's and then stabilized in the low 300's.
6 Days ago I did a water change and replaced my GFO and Carbon. Since then my readings still fluctuate between day/night but is now maxing out higher every day. It now reads 405 for today's high. I'm not dosing with peroxide and I don't run ozone. Is this normal? What is considered "normal" anyway? Cheers
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_________________________________________ 20 year old Hagen 100g 6' mixed reef. 36g sump with multiple broken Waveline products removed. Lights T5-LED combo. 1 Coral Beauty, 1 Flame, 1 Blue Tang, 5 Green Chromis, 2 Pajama Cardinals, Asst'd hermits & snails. 2 large boxes of broken expensive aquarium crap. 1 x VERY understanding wife. 
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