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With water parameters at or below normal levels, why do my fish never make it past the first night2007-11-24 23:44:31

It's a 30 gal. reef tank with nitrate, nitrite, and amonia all unmeasurable or at near unreconizable levels. Calcium and PH are within desired perameters as well. All acclimation procedures are followed to the best of my knowledge but both angels and tangs still dont make it through the 1st night! Y?

Answers:

Have a water sample tested at a store that specializes in water filtration systems. You need to be looking for some other toxicity that is killing them since you cannot test for everything at home. It will be worth the expense considering the cost of the fish you are losing.

A

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sounds like they are going into shock, are you placing them in the bag into the tank so the water temp can adjust gradually, or are you pouring them directly into the tank?

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Check your salinity first. If it is proper for the fish you want, let it circulate without fish for a week minimum. Then introduce cheep fish, if they do well then go on to the more expensive fish. That being said, a 30 gal. tank is small for saltwater, the nitrogen cycle can't get going good in it.

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If the tank is balanced, that is, nitrates and nitrites low, then the next thing that most people do wrong is use chlorinated water. I can't imagine you would miss something so obvious, but since you didn't mention it, I must point it out.

There are two ways cities disinfect water. One is with chlorine gas, and it will go away gradually by itself.