Zoa Help

[GanderGreg]

Hey all. My bowtie zoas haven't been opening the past few weeks. There seems to be a growth on them that I tried to pick off but no luck. The crabs haven't touched it. My other zoas are doing great. Any suggestions what to do?

 

[Kyle1970]

I think it’s time for a peroxide dip!
Did wonders to some of mine.

 

[GanderGreg]

Thanks. I'll give that a go. Anyone have a ratio or duration for a peroxide dip that has worked for them?

 

[Jason Bell]

I have used 3:1 ratio of 3% in a syringe while frag is in tank, turn off flow and spray around, worked for me, a dip 30-60sec.

 

[Shooter000]

4:1 water/peroxide in a cup, 2-3 min dip, right back into the tank, and see what happens by tomorrow or the next, should help wonders

 

[GanderGreg]

Almost 48h post dip and this is how they look. I did a 2m30s dip in 4 part tank water and 1 part 3% hydrogen peroxide. Any ideas what to do now?

 

[Kyle1970]

Make sure they are somewhere with moderate flow and leave them alone for several days. Mine took almost a week to change.
Some never opened, some did.

 

[Josh]

ive had zoas stay closed for 6 weeks and be completely fine.

 

[GanderGreg]

Thanks guys. Here's hoping for the best!

 

[Josh]

The big things you want to look out for if something is irritating it, whether thats algae or pests. Is it getting too much or too little light, bleaching vs reaching usually helps identify that, and size usually matches your nutrient levels, if they are shrinking they are probably hungry. Keep your alk stable and you will not be able to kill them.

 

[Matt1997]

Check salinity and refractometer calibration. Commonly overlooked.

 

[GanderGreg]

I did a coral dip, salinity it is 1.025 and did a stronger peroxide dip with no luck. The zoas are on the bottom of the tank with my rastas which are doing great.

I just noticed a tiny aptasia growing beside them so I gave it a vinegar injection.