Nitrates High Salt Low

[farslayer]

What is your ammonia level? Nitrite? PH? I have seen fish try to suck air when the ammonia was way too high. How long did you leave that yellow tang in there while it was dead? It could have caused an ammonia spike and your tank could be cycling again, in which case everything in there is pretty much in trouble. Also, do you notice ick on any of your fish (dead or alive)? It will look like white spots or rice grains. Your inverts will not get ick, but if there is an ammonia spike they will suffer as well. Post some more info and I'll see what I can do to help.

 

[clarkiiclo]

Farslayer is correct about that. Little tanks can have great water one minute and if something dies it starts to deteroirate very quickly.
If it was me I think I would take all the inverts and what live fish you have left and see if your LFS will QT them for you. Some places will.
Then I would try to fix the tank.
Start with testing the water for Ammonia, Trite/Trate, PH, Alk and Copper.
With those numbers people can suggest methods of treatment for you.
I would also look and see what you can see in the filters. Should have sponge(s) in the first chamber.
Apparently the Bioballs/ceramic/carbon in the second and the pump in the third.
You say there is one rock in the tank. How big is that rock?

 

[farslayer]

I concur, get the survivors out of there and take them to the LFS or to a QT tank. Do not put the fish in any other tank until you are certain your fish are not actually infested with ick, you'll contaminate the new tank as well.

 

[vikki7]

Some one above asked what all I used in my tank.
Here is a list.
Mardel Test Strips for salt water only. (Virbac)
Propher Ph 8.3 Auto Sets to 8.2 Havent use this yet.
Start Right- Have not use it yet either.
Fritz Invertebrate Banquet. Fed my Fether dusters this a couple times.
Nutri Sea Water- A Natural Live Ocean seawater for instant changes.
This I used about 4 gals in the last 2 days to bring my salt levels up.
I need to check my levels tonight and will post again, but you asked for this info. Oh yes, my temp was at 74 degrees.
I have not yet checked my filter.
I will try to post pictures...

 

[vikki7]

Another pic so you can see the inside of my tank and the algee problems if it is visible in the photo.

 

[vikki7]

I think I have two more.

 

[vikki7]

Live rock with amen

 

[vikki7]

Picture of the tank.
This is the pretty empty tank at present.
Two Fether Dusters left and maybe a crab.
Lots of Algee all over.
I am going to do more testing and will post again.. the results.

 

[clarkiiclo]

My LFS does not carry any ready made sea water so forgive me if as I am not familiar with it.
What is is specific gravity of it?
74 is ok but a tad bit low for some items. The dusters should be fine.
The sea water that you have used for water changes was the old owner using the same stuff?
You may consider better test kits like Salifert. They are much more accurate.
Dont add any of the proper PH until you can test for Alk too.
It is really easy to add too much of that and send your Alk off the charts.
The water that you did changes with did you oxygenate the water and make sure it was the same temp?
Things like that can easily stress fish and inverts out.
As for the anemone it will soon be too big for your tank.
I dont think that system has enough light to sustain him for a long period anyways.
Also check your lights and see how many watts they are.