Fish Died Overnight

bobrees18 · 07-24-2008, 12:11 PM

I need help. I had a semi-agressive tank with tiger barbs, tin foil barbs, pictus cats and a pleco. I did a routine water change last night and I woke up this morning to my tin foils and one tiger barb still alive. Everything else had died. What could have caused this???

JBarlak · 07-24-2008, 01:39 PM

maybe you did not add dechlorinator to the added water. maybe the temperature was off just slightly. pH shift.

MediaHound · 07-24-2008, 02:10 PM

Wow sorry to hear about your loss. Probably something went wrong with the water change. What steps did you take when you did the change? Did you clean the tank also, and if so, how?

bobrees18 · 07-24-2008, 03:04 PM

Added water conditioner as I usually do, ph has seemed to stay balanced, temperature was up by 2 degrees, but balanced back out. The tinfoils are the only ones to have survived, and they don't seem to have been affected at all. I didn't do an aquarium cleaning, just a 20% water change. Really bizarre.

djrichie · 07-24-2008, 03:09 PM

Did you do a complete test of the water.... without those perams. it's very difficult to say what happen. I sorry for you lose of fish.

bobrees18 · 07-24-2008, 04:14 PM

Thanks for your help. My live pH monitor says it has stayed constant at right at 7.0 and it's a steady 78 degrees F. Is it safe to add new fish? What do you recommend?

djrichie · 07-25-2008, 12:25 AM

get a complete freahwater test kit.... and test the water Ph ammi nitrate nitrites.... My guess is you over stocked the tank before it had completely cycled and you fish died because the nitrate levels got to high..... generally a tank full of dead fish means the there is something worng with the water..... Bad water quailty not doing weeking WC's with a good rotation of gravel vacuming.

I would love to tell you what went wrong but your not give enough info on the tank water..... did the fish stop eating did they look very thin... info like that will help get a more correct answer to help you. I'm pretty sure this has happened to a lot pf people in the hobby, heck a few of the tanks I have are from people who just couldn't find the time to keep there fish alive by proper maintence........

seyz · 07-25-2008, 02:08 AM

Wow tough to hear. Is the pH and ammonia levels all good? That's a lot of fish to be dying.

07-24-2008, 12:11 PM	#1 (permalink)
bobrees18 Join Date: Jul 2008 Posts: 3 Feedback: 0 / 0% Said "Welcome to Aquarium Forum" 0 Times Said "Thanks" 2 Times Was Thanked 0 Times in 0 Posts	Fish Died Overnight I need help. I had a semi-agressive tank with tiger barbs, tin foil barbs, pictus cats and a pleco. I did a routine water change last night and I woke up this morning to my tin foils and one tiger barb still alive. Everything else had died. What could have caused this???

07-24-2008, 01:39 PM	#2 (permalink)
JBarlak JBarlak's Photo Gallery Join Date: Mar 2008 Posts: 258 Name: John Barlak Location: Davie, Florida My location Feedback: 0 / 0% Said "Welcome to Aquarium Forum" 6 Times Said "Thanks" 18 Times Was Thanked 15 Times in 12 Posts	Re: Fish Died Overnight maybe you did not add dechlorinator to the added water. maybe the temperature was off just slightly. pH shift.

07-24-2008, 02:10 PM	#3 (permalink)
MediaHound Here, fishy, fishy, fishy MediaHound's Photo Gallery Join Date: Jul 2006 Posts: 3,100 Name: Jarred Location: Florida My location Feedback: 18 / 100% Said "Welcome to Aquarium Forum" 3,771 Times Said "Thanks" 2,127 Times Was Thanked 931 Times in 608 Posts	Re: Fish Died Overnight Wow sorry to hear about your loss. Probably something went wrong with the water change. What steps did you take when you did the change? Did you clean the tank also, and if so, how?

07-24-2008, 03:04 PM	#4 (permalink)
bobrees18 Join Date: Jul 2008 Posts: 3 Feedback: 0 / 0% Said "Welcome to Aquarium Forum" 0 Times Said "Thanks" 2 Times Was Thanked 0 Times in 0 Posts	Re: Fish Died Overnight Added water conditioner as I usually do, ph has seemed to stay balanced, temperature was up by 2 degrees, but balanced back out. The tinfoils are the only ones to have survived, and they don't seem to have been affected at all. I didn't do an aquarium cleaning, just a 20% water change. Really bizarre.

07-24-2008, 03:09 PM	#5 (permalink)
djrichie Join Date: May 2008 Posts: 1,048 Location: Miami My location Feedback: 1 / 100% Said "Welcome to Aquarium Forum" 233 Times Said "Thanks" 33 Times Was Thanked 173 Times in 155 Posts	Re: Fish Died Overnight Did you do a complete test of the water.... without those perams. it's very difficult to say what happen. I sorry for you lose of fish. __________________ Gold Coast Aquarium Society South Florida [url]www.goldcoastaquarium.org[/url]

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07-24-2008, 04:14 PM	#6 (permalink)
bobrees18 Join Date: Jul 2008 Posts: 3 Feedback: 0 / 0% Said "Welcome to Aquarium Forum" 0 Times Said "Thanks" 2 Times Was Thanked 0 Times in 0 Posts	Re: Fish Died Overnight Thanks for your help. My live pH monitor says it has stayed constant at right at 7.0 and it's a steady 78 degrees F. Is it safe to add new fish? What do you recommend?

07-25-2008, 12:25 AM	#7 (permalink)
djrichie Join Date: May 2008 Posts: 1,048 Location: Miami My location Feedback: 1 / 100% Said "Welcome to Aquarium Forum" 233 Times Said "Thanks" 33 Times Was Thanked 173 Times in 155 Posts	Re: Fish Died Overnight get a complete freahwater test kit.... and test the water Ph ammi nitrate nitrites.... My guess is you over stocked the tank before it had completely cycled and you fish died because the nitrate levels got to high..... generally a tank full of dead fish means the there is something worng with the water..... Bad water quailty not doing weeking WC's with a good rotation of gravel vacuming. I would love to tell you what went wrong but your not give enough info on the tank water..... did the fish stop eating did they look very thin... info like that will help get a more correct answer to help you. I'm pretty sure this has happened to a lot pf people in the hobby, heck a few of the tanks I have are from people who just couldn't find the time to keep there fish alive by proper maintence........ __________________ Gold Coast Aquarium Society South Florida [url]www.goldcoastaquarium.org[/url]

07-25-2008, 02:08 AM	#8 (permalink)
seyz Join Date: Jul 2008 Posts: 46 Feedback: 0 / 0% Said "Welcome to Aquarium Forum" 0 Times Said "Thanks" 7 Times Was Thanked 4 Times in 2 Posts	Re: Fish Died Overnight Wow tough to hear. Is the pH and ammonia levels all good? That's a lot of fish to be dying.

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