How high do you keep yours? How are you measuring it? Are you using a float type hydrometer or are you using a refractometer? A refractometer is much more accurate than the hydrometers, some of which can be off (I've seen both high and low) by as much as .005.
Personally, I keep my tank at 1.024.
How are your other levels, Ca, Alk, MG? When was your last water change?
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