G
Guest
I have 3 SPS two of which dont have full polyps extension. The other one is half extended. All three are growing at exponential rate. Does this mean they arent happy? Just want to know
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fishcraze
Lifetime Member
if you get good growth then they should be fine.. your polyps don't extend during day time maybe due some fishes picking on them.. I have some corals that barely have any polyp extension during day time but they open up crazy at nite 
OP
OP
Guest
mine dont open period!!! Beside i dont have any fish except a midas blenny
