Well don't do anything drastic, obviously the corals are reacting to the pumps messing up the water. for now i would try to stabilize the parameters close to what normal is for you as you can.
For the pictures most use a photo bucket account take 2 min to sign up (it free and you upload to there and then copy paste the link to the board)
500 calcium isn't to to insane its the alk swings that mostly would cause the corals to bleach initially
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Current tank---125 gallon mixed reef 60 gallon sump, Reef octopus nw200 skimmer, Rapid LEDs, Maxspec gyre, Mp10s, Fuge, Biweekly 20% WC, QT everything
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