SuncrestReef
That Apex guy
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Reef Tank 365
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I don't think I've ever commented on my Neptune flow sensors since I initially built my manifold. Here's an example of the value of having flow sensors on my media reactors: The graph below shows the flow through my carbon reactor, and over the past week it has slowly dropped from 100 gph to 50 gph as sediment builds up. When I see it drop this low, I remove the reactor to clean the filters and replace the carbon.