xenia not pumping

[goldmar00n]

i bought a pumping xenia frag about a month ago...it looks nice and healthy..but the little hand things arent pumping at all...they never have...is there something wrong?...
what should i do?:notsure:

 

[007]

check your alkalinity . . .

 

[j21kickster]

some dont never have and never will- but i have noticed that the higher flow i have mine in- the less it pulses- when i have it in lower flow- it pulses all the time

 

[nicky1.8t]

nice shot kickster ill never get bored lokking at your tank love your zoos, if you ever need to make some room in your tank ill take them off your hand