Sherry pipe organ

[Amtrack5899]

I have a 120 gallon aquarium that is about 18 months old. The polyps on the sherry pipe organ over the last 24 hours have closed and a white film is growing on some of them. Earlier in the month I had what appeared to be cyno. On 12/1 I started treating with Dr Tims refresh. On 12/10 I started using the liquid waste away. On 12/19 I started using the double wast away gels. The tank was looking great. This mornings test indicated 0 nitrtates. I l

 

[KrisReef]

Interesting. Almost looks like a sponge growning over them or maybe a tunicate?

I would do a water change, feed the fish (to get the nitrate above zero) and stop dosing magic elixers.