I went from a 10 gallon tank to a 20 gallon and after four days of being in...

I went from a 10 gallon tank to a 20 gallon and after four days of being in the bigger tank, my pictus died! I was so careful ensuring the right amounts of chemicals went into the 20 gallon, just as I do when I performed water changes in the 10 gallon. I'm at a loss what happened. Any thoughts out there? Thank you!! Diane

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Amaris avatar
1 month ago #2
Amaris
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Did you cycle the 20g before adding the fish?
How long if so?
What are your parameters for ammonia, nitrite, and nitrate?
How did you introduce the fish to the new tank?

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1 month ago #3
Diane
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Hi, thank you for such a quick response; I really appreciate your help.
When I did my daughter's 10 gallon to a new 29 gallon, I didn't cycle the tank nor wait to add her fish. After we set up her new tank, we just went ahead and added the old fish with no problem. So, I naturally did the same. However, we used her old gravel where I bought brand new gravel; maybe that upset something. I added the needed chemicals just as always with every partial water change.
However, Nitrate is SAFE, but Nitrite shows STRESS, 1.0 - 3.0. and this is after a 25% water change yesterday!
I also added two small live plants hoping those will help. Ammonia is SAFE as well.

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1 month ago #4
Amaris
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Ya, the tank has to be cycled before adding inhabitants. Do 35% daily water changes until everything reads 0 and you have at least 5ppm of nitrates but not over 20ppm. Make sure it's stable for a few days then change 35% every week.

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1 month ago #5
Amaris
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If you have any used media you can add to your existing filter it will seed the new media. Also adding decorations, gravel or plants with established bacteria will help speed up the cycle. I have also had luck with bottled bacteria. It boosts the bacteria. I hear Dr. Tim's is the best, but i use safe start.

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1 month ago #6
Diane
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You are FANTASTIC!!! Thank you SO much!!! I feel a lot better now. 😊 Thanks again for your quick responses and all your expertise! 😊

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1 month ago #7
Diane
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Thanks again for your quick responses and especially for all your knowledge; it's really comforting knowing you are out there. 😊 I feel so much better, you have no idea!

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1 month ago #8
Amaris
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No problem 😊 anytime!

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