devils hand??

[lowrider]

my deal is i have a 65 gal tank its been running for a year or so i have a few corals but have a giant devils hand and about five babies and i notice all my birds nest has bleached out cant find the problem so my ? is can my devils hand be my problem i have seen it allmost like spawn a few times but nothing bad so im lost

[Fishfood]

are u using carbon? Leathers can impact sps with their chemical warfare. I'm not sure if the leather is big enough or if you have enough to be a problem but running carbon on mixed reefs can really help.

[Neuticle]

+1, run carbon, preferably bituminous or lignite.

[lowrider]

ok i guess i will get a carbon reactor thanx for the info u guys i need all the help i can get lol