I topped off my tank with RO yesterday, and I realized that today my frogspawn seemed to be retracted.  The frogspawn is normally very large, and instead, it seemed a bit shriveled showing it's green color.  My xenia was all retracted too except for one stalk.  Any idea as to what may have caused this?  The salinity is at 1.025 and my temp maintains a constant 79.  My testing supplies are out (I know, I might be dumb for asking without testing the water) and I need to go get more,  but should I be concerned?
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Thanks