hammer coral not opening

I have had a hammer coral for 3 days when i saw it in the store it was big and open but in my tank its its not coming out very much. My paremeters are fine and i dont know what to do or whats wrong
 
@TWycoff15 wrote:
I have had a hammer coral for 3 days when i saw it in the store it was big and open but in my tank its its not coming out very much. My paremeters are fine and i dont know what to do or whats wrong said:
Do you have it in a high current area of your tank? Hammers do not like a lot of current.
 
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