Green cyano. Take action or let it ride?

Deltec

Drew1900

Community Member
View Badges
Joined
Aug 15, 2020
Messages
81
Reaction score
70
Review score
+0 /0 /-0
Location
Tampa
So my tank is almost to its 1 year mark, and over the past month it has developed a mild case of green cyano. It’s pretty much isolated to the sand bed and resembles more of a green dusting as opposed to the more severe thick green mats. It doesn’t matter how much I clean, it comes back within a few hours. It doesn’t have any negative effects on the tank besides looks (all corals are happy).

I’ve got a new order of snails from reef cleaners on the way to hopefully help out as well as putting my refrugium back online.

What’s everyone’s opinion on waiting it out and see if it can resolve itself? I don’t want to let it get too bad and then it be ever harder to get rid of it, but prefer to let things run their corse rather than start making a bunch of changes and adding chemicals just to get rid of something cosmetic.

Nitrate 9
Phosphate .07
PH 8.1
 
Top Shelf Aquatics
OP
Drew1900

Drew1900

Community Member
View Badges
Joined
Aug 15, 2020
Messages
81
Reaction score
70
Review score
+0 /0 /-0
Location
Tampa
Here’s a photo
 

Attachments

  • C67D6C43-7F04-400F-989A-A5A8AAADBE31.jpeg
    C67D6C43-7F04-400F-989A-A5A8AAADBE31.jpeg
    157.3 KB · Views: 18

revhtree

Owner Administrator
View Badges
Joined
May 8, 2006
Messages
43,525
Reaction score
67,907
Review score
+1 /0 /-0
Me? I would hit it with some chemiclean.
 

Micro-Reefs Aquarium

Well-Known Member
View Badges
Joined
Feb 28, 2021
Messages
500
Reaction score
351
Review score
+0 /0 /-0
Location
United States
My experience in two of my tanks that are 6 months behind yours, is let it ride out. I see your phosphates at .07 and nitrates at 9ppm. Keep steady to those numbers is my advise, I had those numbers and kept them there and just purchased more cuc, some cerith to be exact.

I tried at first siphoning but in two days the cyano would come right back. Came really close to using chemi-clean and be done, but I have SPS all acros in my tank and decided not to.

I gave up and just occassionally stirred it maybe once or twice and my UV picked up some of it I am sure.

However, as the cyano went away, all of a sudden now, I am battling the dreaded Dinos, I let my phosphates bottom out and nitrates get close to zero.

Hope that helps a little anecdotal caption from what I am going through.
 
OP
Drew1900

Drew1900

Community Member
View Badges
Joined
Aug 15, 2020
Messages
81
Reaction score
70
Review score
+0 /0 /-0
Location
Tampa
Thanks everyone for the input. I’m going to just hold steady for the moment and see if the increased CUC and chaeto can outcompete this cyano. I’ll post an update if anything changes.
 
Deltec

Do you house a "Reef Safe" Angelfish in your reef tank?

  • YES and it's going good

    Votes: 188 40.7%
  • YES but it's not working out

    Votes: 13 2.8%
  • NO I have tried it in the past and it didn't work out

    Votes: 42 9.1%
  • NO I haven't tried yet

    Votes: 204 44.2%
  • Other (please explain)

    Votes: 15 3.2%
Reef Diaper
Top