09-21-2007, 04:30 PM
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I just got myself a 46 gallon tank from a yardsale. I have a couple of questions. I may have just put my fish in harms way. Alright here goes. The tank that i purchased was once a salt water tank. I used gravil that came with this tank. This sank smells odd now. instead of regurlar stone, its crushed shells. Im wondering if maybe there is still enough salt in the shells to cause death to my fish? Right now in the new tank i have my green spotted puffer, a baby red tail catfish, and a couple of mollies. Please let me know. I have not seen any unhealthy signs yet, but then again they have only been in for about an hour.