My Haddoni is hiding...How worried should I be???

ghostman

New member
I've had my blue Haddoni for over 2 years. In the past 2 days, he has moved out of the sand, and is attached to the live rock in a completely shaded area. Clowns seem unaffected. These past 2 days he is normally inflated, even looking a little bit bigger than usual. The only recent change to the tank was a sump cleaning, with a change of carbon and GFO. Could the clearer water cause the Haddon to hide from the lights? If so, is this permanent or temporary? No other changes were made, and he has been happy and healthy. Here's tank parameters:
SG: 1.026
Temp: 81.3 on AC3
PH: 8.23 on AC3
Alk: 7.5 Salfert
Ca: 440 Salifert
Mag: 1480 Salifert
PO4: 0.03 Hanna
NO3: less than 5 Salifert
Ammonia, Nitrite 0 Salifert
No new additions in livestock or equipment.
Thanks for any help.
 
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