Last night I put a bag of 4 gold fish in tank for 15 minutes, so that they could adjust to the temperature, then added them to the tank. They are still alive this morning. So the others must have went into shock from the extremely cold tap water.
Thanks for all your help.
I was using the gold fish to help cycle the tank.
I had ten 3 inch gold fish.
I have a 2 foot pacu and a sucker fish in my other 100 gallon tank.
-- If construction did play a part, what do I do? I can empty tank and refill it but will this help. The water had to be pretty bad to kill...
Last night I added water and gold fish to tank and they all died within 2 hours.
I bought a used 135 gallon tank and a wet/dry filter from a fish store. I built the tank into the wall in my living room. During construction of wall I had a plastic bag over the top of the tank in an attempt to...