Agreed. Look for the typical issues - fish breathing heavy or swimming erratic. Corals closing up (except zoanthids or palys - they WILL close up for a half hour or so).
The reaction happens very quickly when added to the tank and separates into Oxygen and water. I believe the reaction is what makes the ORP drop and the the sharp rise is the result of the increased oxygen levels after the reaction.
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- Todd
It's often the saddest of us working our hardest to make everyone laugh
Current Tank Info: Tankless
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