Fish Dying off, no clue why

The reef rock is pre seeded I believe, and the corraline unless its been cured and lit is probably fake.
If it was dry or uncured , there shouldn't be any real organics on it to begin an ammonia spike. Its manufactured.
My vote is still the RO, my hope too cuz that can be fixed.
Curing is pretty easy IMO. Old tank water in a bucket with powerhead. with a large water volume in an established tank 8lb may not be a big deal in a smaller tank. not so much.

Edit:
http://www.liveaquaria.com/PIC/article.cfm?aid=209
curing article. FWIW
 
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Two thoughts:

1. Stray voltage.....have you tested for this.

2. Salinity off. What do you use to test salinity. If a refractometer, when did you last calibrate, and did you use 35ppt calibration fluid
 
"Reef Rock" makes me think you got Real Reef Rock which is a nice man made rock. It's painted purple however, so it could have been left to dry for however long before being put in a water vat and sold without ever showing any indication that this happened. So it's a possibility that it wasn't cured at all.
 
"Reef Rock" makes me think you got Real Reef Rock which is a nice man made rock. It's painted purple however, so it could have been left to dry for however long before being put in a water vat and sold without ever showing any indication that this happened. So it's a possibility that it wasn't cured at all.
Should it need to be cured in the classic sense of organic removal and die-off?
there shouldn't be any organics except what was seeded in manufacture.
i think its sold dry or the LFS put them in the tank for what appears to be no real reason except perhaps to begin them cycling.
 
Update... The Cardinal is on his last breath or two.
 
Should it need to be cured in the classic sense of organic removal and die-off?
there shouldn't be any organics except what was seeded in manufacture.
i think its sold dry or the LFS put them in the tank for what appears to be no real reason except perhaps to begin them cycling.

When I purchased my 120 lbs of real reef rock it came live. No cycle in my tank as a result. At the store, it's shipped to us wet and we keep it in a saltwater vat to keep it live. My concern was that if the bacteria all died, then there wasn't anything to help with ammonia with all those fish in the tank. Keep in mind, it was just a thought to add to the mix of possibilities. I agree that velvet is a possibility because of how fast they are dying but you should see some kind of symptom along with it... behavioral or otherwise.
 
Update... The Cardinal is on his last breath or two.

Test ammonia NOW. If it's still reading 0, then you must either have a toxin or disease in the tank.

Also, once it dies drop it in FW (tap is fine if it's already dead) and see if any tiny white things come pouring out of it's gills/eyes. Use a dark or black bucket so they're easier to see.
 
"Reef Rock" makes me think you got Real Reef Rock which is a nice man made rock. It's painted purple however, so it could have been left to dry for however long before being put in a water vat and sold without ever showing any indication that this happened. So it's a possibility that it wasn't cured at all.
According to them it is man made and painted but has real coraline growth on it and has been cured.
 
According to them it is man made and painted but has real coraline growth on it and has been cured.

I use this rock. I agree it's good rock. Yes it comes cured and has been sitting in the ocean to seed it. Yes that's great. I said: If it was left to dry before you bought it and the only set in the water right before purchase, you wouldn't know because the rock is painted purple. You wouldn't see any die off of coraline algae because there isn't much on there. So it wouldn't be live and it wouldn't be helpful until it became live again.
 
very sorry to hear this, i know you said you tested your water but what kit are you using to test??? i would love to help find a solution to your problem, i really think its an ammonia issue
I'm using the API test kit. I also have an APEX probe for the PH and to make sure I double checked it by having my local store run a full test.
 
Test ammonia NOW. If it's still reading 0, then you must either have a toxin or disease in the tank.

Also, once it dies drop it in FW (tap is fine if it's already dead) and see if any tiny white things come pouring out of it's gills/eyes. Use a dark or black bucket so they're easier to see.
Ammonia still at ZERO. I'm hoping the cardinal stays where it is so I can scoop it out. I'm afraid to take it out now and it gets one final scare and gets lost in a cave.
 
Two thoughts:

1. Stray voltage.....have you tested for this.

2. Salinity off. What do you use to test salinity. If a refractometer, when did you last calibrate, and did you use 35ppt calibration fluid
Haven't tested for voltage. I use a refractometer that has the same readings as the one they use at the store.
 
1a5181a43b635b4bd5b2d7e46c62cd74.jpg
might as well see suspect in this case lol
 
And there is absolutely NO rapid breathing or being reclusive? No scratching/rubbing/ flashing? No dusty appearance or dots at all? What about darker areas on the fish? Think about just hours before each fish dissapeared... none of these things happened with any of the fish? That sick cardinal isn't breathing quickly?
 
The sick cardinal is on the sand upside down breathing heavy. The others were a surprise. Saw no symptoms Healthy one day, dead the next. This Cardinal is the first I could see dying.
 
Are the inverts okay? Corals? Anything closed up or bothered? Just trying to narrow down disease of fish or water contaminant. You should see major issues with inverts (snails, shrimp, crabs) if ammonia is present.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%

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