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Tang Hyperventilating (1 Viewer)

Nope, temperature would have to be much more extreme such as 60s or upper 80s-90s.

I personally never trust Rio pumps. I would hope they have solved by now but there were quality issues years ago ( around year 2000 ) where the pumps did dump toxins into the water column when seals/epoxy break and exposed to saltwater.
 
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Its possible that if it were a quick change it could cause some stress. So, if the fish was already in poor condition, that might have done it. But, I don't think that by itself would knock out an otherwise healthy fish.

You might just not figure this one out. Sometimes fish just die. Its part of the deal keeping these tanks. You try not to, but you have losses sometimes.
 
I personally never trust Rio pumps. I would hope they have solved by now but there were quality issues years ago where the pumps did dump toxins into the water column when seals/epoxy break and exposed to saltwater.

I agree, they aren't the best. Even when they behave, they tend to lose flow. But, even a crummy Rio probably wouldn't fail that quickly.
 
Yeah, I researched the pump before I bought, and nothing seemed to indicate they had recent problems with toxins being released.

The tang was very healthy before this.
 
Only thing you could really say is that the fish "appeared to be healthy". It's impossible to know for sure as it could be an internal issue.

Like I said, I've had fat fish eat good the night before and dead next morning. All you can do is try your best but not everything can be explained.

If the two deaths are connected ( which no way to know for sure ) only thing it could be is air quality related.


Was the pump purchased new or used ?
 
Its also possible that its related to water quality if both tanks are getting the same source water. I'm not saying it is - just that its possible.

About the comment that the fish was healthy, David is right on and its the same issue in your other threads where you say you "believe" you have a low-nutrient system, etc because of whatever anectdotal evidence you think there is.

The bottom line is that no, you don't know that the fish is healthy. You might now that it was behaving normally, was fat, whatever, but there are lots of other things like internal diseases/parasites that you can't see that could cause it to die. I too have had fish eating, fat, and swiming around normally for months suddenly turn up dead on a pump in the morning. Its frustrating, but it can happen.
 
Water comes from a BRS chloramines deluxe 6 stage RO/DI unit. What could I be checking my source water for?

Yes, I keep on re-learning the lesson that nothing is for certain. Like I said, I just have to wait and see what happens because I do realize that it could have something internally wrong that I can't see. You're right I should have said the tang was acting healthy. Also, I regret posting many of my threads.
 
If you have chloramines in the water and filters are exhausted or not working properly, it could lead to ammonia. Adding 30g of new saltwater with ammonia ( not saying it is, just plausable ) could be a cause. Double checking newly mixed saltwater for ammonia would be good thing to do. At least rule it out.
 
Did you use any silicone while putting the new system together? Most retail silicone has formaldehyde as a mold inhibitor.
 
I used silicone made for aquariums to attach my overflow box.

I will test the source water, but the filters are still pretty new and it is reading zero, or around zero tds.
 
Test the ammonia and nitrite in the tank too.
 
Test freshly mixed. It could very well be the an ammonia spike could have come and already went with a properly functioning biological. It's still plausable to have been toxic with several hours before it could have been all processed.

Not saying it was or is, just plausable.

It could be a wild goose chase but knowing you did add 30g of freshly mixed is something to explore.
 
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New SW has zero ammonia.

He won't eat anything (and I soak it all in garlic and selcon). I don't know how a picture would really help. He is darker than usual, so he is stressed out. Other than that he swims fine and spreads his fins out.
 
Pictures are always beneficial. Glad to hear he is behaving a little more normally. Hopefully it will stay that way.
 

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