Sponge or Cyano or Something Else?!!

[candacetheclownfish]

 

[griss]

Looks like Cyano to me. What are your water parameters? Particularly Ammonia, Nitrite, Nitrate, and phosphate.

How long has the tank been set up?

Did you use dry rock, live rock, or a combination of the two?

 

[griss]

This thread may be of some help. I went through the worst battle with Cyano I’ve ever had in my over 40 years in the hobby.

griss’ Battle with Cyano - all the Things I’ve Tried

Anyone have any experience with Dr. Tim’s Cyano Treatment? In 36 years in this hobby I've never had such a problem with cyano. I've been battling it for at least 6 months. I have a 40BR drilled in the back with an eshopps through the tank overflow. I have (2) 520 gph powerheads and a 230...

forums.reefcentral.com

 

[Reefing102]

I’m also seeing what appears to be Cyano and also some possible hair algae (the green).

 

[jason2459]

3rd vote for cyano and covering some algae

 

[joseluisrdec]

cyano