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post #11 of 13 Old 07-29-2009, 12:09 PM
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Where i live, (in PA).....Petsmart doesnt carry them..................Only buy my dogfood there and LOOK at the fish..........I priced their fish food at Petsmart, and found the next town over has a Fish Store where its literally half the price of Petsmart....That opened my eyes to the whole Petsmart thing........too expensive for me!
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post #12 of 13 Old 08-04-2009, 08:09 AM Thread Starter
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Looked everywhere for the test kit and had no luck.
I did have Petsmart test my water. They said that it tested out great. (small traces of Nitrite but still within the safe range)
We now have a new development.... Our male black molly has Popeye. I asked petsmart about it and they said that we should use tea tree oil once a day and to treat the tank for 10 days.
all of a sudden everyone is picking at our female platty. they are nipping at her side. They won't leave her alone. It kind of looks like they have picked her scales off??? is that possible?
and lastly..
we did loose our Dalmation Mollies

I just don't know what is wrong so I don't know how to treat it.
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post #13 of 13 Old 08-04-2009, 09:38 AM
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No nitrite reading is "safe" in an established tank (this tank has been running since February you said). Ammonia and nitrite should always be "0" once a new tank is cycled. Nitrate is the reading that will show, under 20ppm is considered safe but many fish can go a bit higher; but that is not likely the problem here, so don't bother about nitrate for now.

You didn't say how many fish were in this 20g, so it may be too many. And we don't have your pH reading yet (test the tank water and also the plain tap water so we can see if there is something occurring with the pH). Also, you haven't mentioned the water temperature in the tank.

Diagnosing disease/problems is not always simple, and there is clearly something happening in your tank. Be careful about adding different medications, sometimes these can interact and cause more trouble. A major partial water change is mandatory before a new medication is added to a tank with a previous medication in it. My previous advice was to do several partial water changes to stabilize the tank, and i repeat that.

The aggression may (I say may) be caused by too many fish in a small space. Other issues may surface when we know the afore-mentioned information. There is an explanation, but it may not be easy to find but we are all here to assist.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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