I have a colony of brown zoanthids and I notice a couple of days ago that a section of the colony is not opening up.
I have a 50gal tank, with 65lbs of LR
4-65 watt PC
's for lighting.
salinity is 1.025
Water Parameters are all at zero.
Protein Skimmer is working fine
Just did a 20% water change.
Phosphate - 0
Calcium - 400
Alkalinity - 8.2
Fish: Pair of Maroon Clownfishes
2-Sand sifting starfishes
Finger Leather Coral
and a bunch red, green and hairy mushrooms
I believe this is all that I have in my tank, but are any of these fishes or corals causing the Zoanthids to close up? I know that none of the angelfishes are disturbing the colony and the cleaner shrimp is not doing anything to disturb them either. I did notice very small bristtleworms lurking between the zoanthids, is that what's irritating them? If it is, how do I get rid of them? And also I notice that my hairy mushrooms are starting to look like they are wasting away because they are starting to look like "brown jelly" and they are giving a foul odor to the tank. Last night, I removed the piece of rock with the mushrooms on it and scrape away the disenegrating mushroom then put it back into the tank, is there anyway to help cure whatever is causing this to the mushrooms? All my other corals are doing just fine. I hope I have given you enough info to help with my dilemma. Thanks for your help