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Old 07-20-2004, 12:11 AM   #1
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Ammonia in my qt tank

Well my fish (see below) are in my 40 gallon qt tank and I have begin hyposalinity. My big problem now is ammonia jumped to 1.5 8O
I did an 8 gallon water change and then another 4 gallon and this brought it to 1.0.
Opinions of water change frquency considering my bioload. I was thinking 2 a day until its under control and then switching to once (if I can get away with it. Would love to get a larger tank, but thats won't happen.
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Old 07-20-2004, 12:14 AM   #2
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BTW, I started running carbon and added a sponge from my main tank sump, since I am not using copper, this should also help..right?
Also my ph is running 7.85 (due to the ammonia?) Should I buffer, or wait/see.
Thanks
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Old 07-20-2004, 12:38 AM   #3
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Buffer the water slowly until you get the pH over 8.0, you'll find that water changes will not be that effective and pH will need to be monitored at least daily.

With hyposalinity it is not harmful to the biofiltration and should strengthen quickly depending on how you seed it. The carbon will also be helpful.

Cheers
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Old 07-20-2004, 12:47 AM   #4
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Yes the sponge has been in my sump from day 1. I just cut a piece from the sponge that helps with the splashing from my skimmer, so it should be well seeded. Hopefully this will help. Won't do much good to treat them for ich if ammomia kills them first.
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Old 07-20-2004, 12:33 PM   #5
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Well I buffered last night and the ph was back up to 8.1 this AM.
My ammonia is still high 1.0 (but on the lighter side, so there was some improvement). I added a second seeded sponge from my main and did another water change. My spg is down to .019 now, will do another when I get home tonight. Any other ideas with the ammonia? Hopefully the bacteria will kick in and bring it down.
The parasite is in full bloom this morning, my angel was covered. She seemed OK otherwise but I need to hurry this along. Was tempted to fw dip her, but I think she has had enough stress the last few days.
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Old 07-20-2004, 12:43 PM   #6
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You can still do water changes to bring down the ammonia some, just be sure if off the schedule you set for salinity reduction that it match's the current salinity of the QT. The seeding part will still take a bit of time for the bacteria to catch up, especially with the amount of fish you have. Be sure when possible you also try to syphon out as much detritus and uneaten foods after each feeding.

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Old 07-20-2004, 01:36 PM   #7
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Sounds like a winner Steve, thanks for your help. If it doesn't come down in a day or 2, I will add another piece of sponge from my sump. Thank goodness its a large sponge.
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Old 07-20-2004, 11:21 PM   #8
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well it was back over 1.0 tonight, probably about 1.5. I did my regular 8 gallon spg reducing water change, waited a while and did another 5 gallon change which was spg adjusted. This brought it down to only 1.0. Also I readjusted the ph back to 8.0 from 7.9.
In addition I added another piece of seeded sponge (3 total) and 5-7lbs of LR from my main. I hope this does it.
Any other ideas. And ammonia reducing chemical is not an option.
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Old 07-21-2004, 12:16 AM   #9
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Keeping the pH low (under 8.0) will make ammonia unharmful...well if kept within a safe range. I believe that if the ammonia is under 1.25 and pH is under 8.0 then it is harmless. Higher than 1.25 or higher than 8.0pH will lead to toxin ammonia.
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Old 07-21-2004, 12:18 AM   #10
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"The presence of ammonia in aquariums can be a source of many problems. Generally, the amount of ammonia should not exceed 1.2 mg/L. Levels up to 1.2 mg/L in very alkaline water (above 8.0 pH) are quite toxic to aquatic organisms."

Ammonia can be present in two forms. Ammonia NH3, which is a toxic gas, and ionic ammonium NH4+, which is much less deadly. The pH of the water is the major factor that determines the ratio of NH3 and NH4+. When the pH is high, the ammonia is in its toxic form. Toxic ammonia will increase exponentially with increasing pH levels and temperature. A pH value of over 8.0 causes a corresponding rapid increae in the toxic ammonia component." - Hagen Ammonia Test.

The fishs should be fine in the lower pH if kept above 7.8, usually when an aquarium is new the pH is low and fishs seem to appear okay. Inverts and Corals on the other hand need the pH to be around 8.2.
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The Tank

50 Gallon Acrylic Tank (36x15x20)
85lbs Fiji Live Rock
Barebottom
(4) Maxi-Jet 900 (230gph) *Awaiting 2 MJ1200s*

Lighting

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Live Stock

(2) Pink Skunk Clownfishes
Goldstripped Maroon Clownfish
Yellow Eye Kole Tang
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