HELP Emergency- Labored breathing, lost blue tang

If that is what it was water change could help, but unfortunately could also be too late.
 
I think the less chemicals we put in our tanks, the better it is. I dosed my tank with trace elements (probably messed up the dosing) and my thriving anemone was dead the next day. Less is more.
 
https://core.ac.uk/download/pdf/222804467.pdf This study didn’t kill some rare minnows with lanthanum chloride heptahydrate at a concentration of 1mg per liter. Anything over 2.51 mg per liter killed 100% of the minnows. If I’m calculating this correctly that would be ~681mg in 180 gallons and the minnows survive. How relevant is this? I don’t know.
 
But I’d personally still be considering oxygen deprivation or ammonia. Have you had a lot of algae die off recently?
 
https://core.ac.uk/download/pdf/222804467.pdf This study didn’t kill some rare minnows with lanthanum chloride heptahydrate at a concentration of 1mg per liter. Anything over 2.51 mg per liter killed 100% of the minnows. If I’m calculating this correctly that would be ~681mg in 180 gallons and the minnows survive. How relevant is this? I don’t know.
Nice calcs. 4 drops is no where near that. based on the other articles it could be the precipitation and gills

ive had the clown for 2 years :/
 
But I’d personally still be considering oxygen deprivation or ammonia. Have you had a lot of algae die off recently?
Totally could be algae thats what im trying to do with lowering phos
 
I think the less chemicals we put in our tanks, the better it is. I dosed my tank with trace elements (probably messed up the dosing) and my thriving anemone was dead the next day. Less is more.

Yes, I agree. I think by nature many reef keepers like to tinker. Just have to remember that every change or any mistake can have negative consequences too.

Vibrant, chemi clean, phosphate removers, trace elements, carbon, etc....all of it can have potential positive or negative effects and everyone's tank is different. There is also room for user error with anything we do.
 
I added prime to help with ammonia for now and did the 50% water change . I think the procedure is the same for fixing the issue.
 
SeaKlear is a brand of Phosphate remover for the pool industry, is super super strong.
I’d stick with the stuff used in reef aquaria.
.13 is not a bad number at all.
 
https://core.ac.uk/download/pdf/222804467.pdf This study didn’t kill some rare minnows with lanthanum chloride heptahydrate at a concentration of 1mg per liter. Anything over 2.51 mg per liter killed 100% of the minnows. If I’m calculating this correctly that would be ~681mg in 180 gallons and the minnows survive. How relevant is this? I don’t know.
681 is the liters in 180 gallons. X 2.51mg= 1710mg total
 
I wonder how soon after did you feed them? Maybe it was a combination of dosing too fast, and maybe they ingested some of the insolubles. If 2 drops knocks it down .05, 4 drops .1 that is sort of substantial quickly. .0681mg in yours. Was any of the algae actually dead though?
 
But 1mg per liter didn’t kill the minnows. So 681mg and the minnows survive, 1710mg they’re all dead lol.
It is all species specific though. Those I believe were also freshwater fish. Here is another example Chloroquine phosphate medicine and blue tangs is dangerous, but with other tangs its more acceptable. Maybe this dose has something to do with it being a phosphate salt, and blue tang in particular.
 
Clown still resting and breathing will swim if provoked.
 
After moving clown to hospital tank, he is more responsive. Not out of the woods yet. But might recover.
Still torn up over the tang
 
I dosed 4 drops into the sump before i left for the day. Felt good about the 2 drop test from last week.

So now I've potentially killed 2 fish to lower phosphate...

Makes me want to give up :/
Don't quit. Live and learn. Good luck.
 
thanks @Duncan62 I'll attempt to source another tang tomorrow. The tank is looking really good now, and its been through a months worth of water changes.
 
After moving clown to hospital tank, he is more responsive. Not out of the woods yet. But might recover.
Still torn up over the tang
To me that’s ammonia, check it now and get it under control if too high.
Here’s a phew photos of my ammonia spike (First photo is a Coral Beauty, second is a Siganus magnificus)
7BA7E767-02C0-4E31-A29A-3570F212BA2B.jpeg
3A9FBA7A-C478-42E5-8A4A-3BA0ABAE5F0D.jpeg
 
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To me that’s ammonia, check it now and get it under control if too high.
Here’s a phew photos of my ammonia spike (First photo is a Coral Beauty, second is a Siganus magnificus)
7BA7E767-02C0-4E31-A29A-3570F212BA2B.jpeg
3A9FBA7A-C478-42E5-8A4A-3BA0ABAE5F0D.jpeg
The clown survived! its been a couple of weeks since the incident.

tank is back to normal, less algae too.
 
The clown survived! its been a couple of weeks since the incident.

tank is back to normal, less algae too.
Good - Also, I would try get a bit (Not too much) algae for it to give oxygen, although yes the coral’s algae will often do the same job.
 

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