All fish DEAD! Why?!

<a href=showthread.php?s=&postid=15350318#post15350318 target=_blank>Originally posted</a> by Rae C.
So the total fish count is six small ones.

The urchin is alive and well.

Cap'n, I spent money on a 20gL for the tang so the kids could see it and I could observe it better. The bucket was hard for observing. The tank itself wasn't that bad, it was adding another heater, and hob filter, a screen so he wouldn't jump out, copper for just in case, veggie food, and I included the price of the tang itself since it was an impulse purchase.

Like we've mentioned, the weird thing is the corals are fine, the tiny little feather dusters are fine, the nudibranch is fine.

The monti looks bad, but I think it's just because it's morning and the water is on the cold part if its cycle, so really it looks normal for this time of day I'm giving that another hour before I declare its health.

Off to the LFS. We'll see if my test kits are way off or if it was something else.

if your heater is on --shut it off-----I'm still thinking volatage leak and or coral toxins.
 
LFS also thinks it was a sudden pH drop when I turned the fuge back on. I didn't think the volume of water in the fuge would impact the tank, but apparantly it can. With a current pH of 7.8, he thinks the drop was even lower shortly after i turned the fuge on. 7.8 is low enough to kill fish. So I'll buffer the water and get the pH to stabilize for a couple weeks before I restock with fish.

i got full credit for the tang, picked up some chaeto to make sure the fuge will work for the missing fish emissions. i can see the mandarin,but can't get to him. I'm missing a gramma (probably 2 inches) and the pajama (another 2 inches of fish flesh). I'm thinking constant water changes this week. 20% each time.

Will baking soda work or do I need the Buffer sold in the store to get the pH back. Or will water changes do it?

I'll switch out the heater. I have a new one anyway.

Now I get to go to the auction house to deliver the rest of my grandmother's furniture and things. (she died in January) Kind of a gloomy Monday.
 
do the water changes and let the tank buffer itself back up. using the baking soda or the retail buffers is only a temporary raise but the water changes will get it to where it needs to be. I'd do a 50% change right away to get rid of the junk in the water. Also you may see a cycle again due to the fish still in the tank. I'd recommend moving what you need to move to get the fish out... Decaying fish will only intensify the cycle...
 
Rats. I gotta get a move on the day. Hopefully, I can do the fish expedition this evening. in the meantime, I'm mixing salt water all day to do a huge change when I get back this afternoon.

For future reference, how should a person bring a refugium back online after being down for a couple of ddays. Especially an HOB, which can't really be run as it's own unit (as opposed to a remote)?
 
A small airstone should do the trick hooked up to a run of the mill air pump. That will give you current and surface movement to allow for gas exchange.
 
Airstone sure would do the trick. You could even have it in there all the time if you wanted to. That way you wouldn't have to worry as much. Now temp wise you don't want it to swing too far either direction so if your room is really cold, you might want to add a tiny heater too.

How far down did your tank get? Most of the HOB fuges have a supply pump right? Can't you just put the supply pump lower in the tank with a small and simple DIY entension? They you will never have to worry about it.

I have a couple questions though...

1. Was the water level low due to evaporation or did you lower it during a water change?

2. By ASW do you mean mixed saltwater or freshwater?
 
Racy,

Sorry about the loss but it is very unusual for the fish to die and not much else. One thing comes to mind. Have you been doing any spraying lately for bugs? If so what did you use?
 
<a href=showthread.php?s=&postid=15351787#post15351787 target=_blank>Originally posted</a> by WaterKeeper
Racy,

Sorry about the loss but it is very unusual for the fish to die and not much else. One thing comes to mind. Have you been doing any spraying lately for bugs? If so what did you use?

Ah Tom, always looking for the chemical culprit -- you can take the chemist out of the lab but you can't take the lab out of the chemist. :p :p

Good point though. I have a cleaning lady who comes in every two weeks (I'm a neat freak as you well know). When I got my display up and running I told her to make sure she didn't spray furniture polish anywhere near the tank but to spray her cleaning cloth and then clean the furniture. :)
 
I sprayed for ants in the kitchen, but that's a different room than the tank is in, and it was only at the base of the sliding door, which was open. Also, the Tang was in its QT on the kitchen counter next to the door and it survived.

cdness - next time I will a) use an airstone and b) have extensions on hand for the intake pump on the fuge. The water was just low enough for the intake pump to gurgle, water level was about at the halfway mark of the intake. Now that I've learned this hard lesson, I'll be more aware of the fuge water and it's flow. And pH.

ASW is Artificial Salt Water.
 
<a href=showthread.php?s=&postid=15352897#post15352897 target=_blank>Originally posted</a> by Rae C.
I sprayed for ants in the kitchen, but that's a different room than the tank is in, and it was only at the base of the sliding door, which was open. Also, the Tang was in its QT on the kitchen counter next to the door and it survived.

cdness - next time I will a) use an airstone and b) have extensions on hand for the intake pump on the fuge. The water was just low enough for the intake pump to gurgle, water level was about at the halfway mark of the intake. Now that I've learned this hard lesson, I'll be more aware of the fuge water and it's flow. And pH.

ASW is Artificial Salt Water.

did you put your hands in the tank after using the insecticide?

Is your heater on?
 
I washed my hands thoroughly with soap and water directly after spraying. I haven't put bare hands in my tank since you got stung. :)

The new heater is on.
 
<a href=showthread.php?s=&postid=15353976#post15353976 target=_blank>Originally posted</a> by Rae C.
I washed my hands thoroughly with soap and water directly after spraying. I haven't put bare hands in my tank since you got stung. :)

The new heater is on.

:lol: I am still reminded of that one

If you don't need a heater at this time then don't use it--its just something that could go wrong.
 
I did a 15gal water change last night. Then tested the params an hour later. Everything is measuring perfectly. pH is up, 'trates and 'trites are 0. Corals all look good.

This morning there are many urchin spines around the sand. I wonder if they are because I basted all the rocks last night and they are accumulated or if the urching is losing spines. He looks okay from where I can see him. He's behind the rocks, but moving normally.

I'm making up more salt water for tonight's water change. My water bill is going to be quite high this month. Oh well. I'm getting lots of laundry done this week though, with all the waste water!
 
I didn't see anything about water circulation in your tank while the fuge was down. When hurricane Ike hit last year, almost all of my fish were dead within a few hours due to lack of circulation. Corals and most inverts survived for almost 2 days without power. I now have a generator, won't happen again!
 
Jim, I kept on a Koralia 3 and a maxijet, as well as the skimmer. Plenty of circulation in the tank. How long after you recoverd from Ike did yo u wait until adding fish? How did you bring that pH back up?

Todays readings were

80 degrees
pH 8.0
alkalinity 5 degrees
ammonia 0
nitrite 0
nitrate 0
phosphate 0

Still haven't found the missing three fish. I plan on continuing the water changes everyday for at least a week, testing pH, nitrites and nitrates for several weeks.

The skimmer is skimming like crazy, it used to fill in 3 days, now it's filled in one. I'm skimming a little wetter, but the skimmate smells more than it used to, so I think it's really taking out the nasties.

Should I put a bubbler in the fuge? Would that help stabilize the pH? Or should I go buy some buffer?
 
<a href=showthread.php?s=&postid=15358373#post15358373 target=_blank>Originally posted</a> by Rae C.
Jim, I kept on a Koralia 3 and a maxijet, as well as the skimmer. Plenty of circulation in the tank. How long after you recoverd from Ike did yo u wait until adding fish? How did you bring that pH back up?

Todays readings were

80 degrees
pH 8.0
alkalinity 5 degrees
ammonia 0
nitrite 0
nitrate 0
phosphate 0

Still haven't found the missing three fish. I plan on continuing the water changes everyday for at least a week, testing pH, nitrites and nitrates for several weeks.

The skimmer is skimming like crazy, it used to fill in 3 days, now it's filled in one. I'm skimming a little wetter, but the skimmate smells more than it used to, so I think it's really taking out the nasties.

Should I put a bubbler in the fuge? Would that help stabilize the pH? Or should I go buy some buffer?

I don't really remember how long it was before I added fish, but it was a while since I had too many other things going on to worry about. At that time, my PH was on the low side (7.8+/-) anyway, but I don't remember it dropping during the power failure though. At 8.0, your PH is not that bad. Be careful with adding buffer or you will get your cal/alk balance screwed up. I guess I would go along with the therory that maybe the sump water killed the fish. I know I was amazed at how fast the fish died and yet all the corals and inverts were fine. I think I would continue with wet skimming and water changes, sounds like your headed in the right direction.
 
RIP missing fish. That's what the skimmer is skimming right now. At least ammonia levels are down but how is that urchcin looking?
 
throw in a good sized serpent star, he will find the missing fish and take care of them for you. Mine usually beats me to anything that dies.
 
The urchin is still in the same corner as this morning. Moving his spines, but not really moving around. There are several spines scattered on the sand. I'm worried about him.
 
Aquaph,

We do try to have no missing fish/dead fish on this forum. I know stuff happens but I hate to see it.

I try to instill the fact on this forum that our fish are pets, the same as cats and dogs, and, we should do everything in our power to insure their well being.
 
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