Trouble with new tank cycle - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 2 Old 11-29-2018, 07:39 AM Thread Starter
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Trouble with new tank cycle

I am new to the hobby and this is my first tank. I have a 150 gallon tank with a FX6 filter, 2 wave makers and my temperature is 78 degrees. I started my cycle 5 weeks ago. When starting the tank I used prime for the chlorine in my water and used a little more than the amount suggested on the bottle. I did get an ammonia spike and it evolved to a nitrite spike and peeked at 10ppm. It stayed at 10ppm for about 1 1/2 weeks. This morning I did a water check and I was at ammonia 0 nitrite 0 nitrate 0. I am confused because I thought my next step would have been some nitrates. About a week ago I threw in some sea chem stability because the fish store told me to add it. Not sure if that hurt the cycle or not. Another thing to add and I'm really upset about is the fish store told me to throw some fish in to help the cycle a few days after I had the tank setup. I added 8 zebra dinos and 5 died in the first 2 weeks. If I would have know it was torture to the fish I would have never added them I feel horrible about it. I am using the API freshwater master kit for testing. I also bought the API test sticks just because I wanted to make sure my master kit was bad or something and I recieved the same results. Am I doing something wrong here? Any advice would be helpful as I am a noob.

Thank you and happy fish keeping,

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carrjeff24 is offline  
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post #2 of 2 Old 11-29-2018, 10:56 AM
I don't use chemicals in my systems so perhaps others can help.
FWIW I recommend the methods in my signature.

my .02

maintain Fw and marine system with a strong emphasis on balanced, stabilized system that as much as possible are self substaning.

have maintained FW systems for up to 9 years with descendants from original fish and marine aquariums for up to 8 years.

With no water changes, untreated tap water, inexpensive lighting by first starting the tank with live plants (FW) or macro algae( marine)

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