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Old 01-18-2011, 04:30 PM
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sphelps sphelps is offline
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You don't need to match pumps if you use a float, I posted an explanation earlier involving a slow fresh water top off and a fast saltwater top off. Using such a method will result in stable levels.

As for conductivity probes they do fluctuate in my experience as well but with the right controller you get use to quickly adjusting the calibration/set points on a weekly bases to maintain consistent salinity.
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