I can not get fish to eat/live
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I can not get fish to eat/live

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I can not get fish to eat/live
Old 01-04-2011, 09:56 PM   #1
 
I can not get fish to eat/live

I started a 75 gallon tank well over 3 months ago. I put a few live plants and a few fish to get the cycle going. The water temp is 80, and I use two filters. One is a canister and the other a bio wheel. After 2 weeks the PH and ammonia were still high. The fish were not eating and one by one died. Which I chalked up to the cycling.

At this point I started a second tank that was 30 gallons. They have the same decor and gravel except it does not have any live plants. During the cycling process the fish would eat unlike my other tank, only one fish died during the process. It took two weeks but that tank was doing really good.

But my first tank still had a high PH and ammonia( this was going on a month now). The store I went to suggested "Neutral Regulator" to bring my PH down. At this point I had no fish left in my tank. I put the substance in my tank and after two weeks the PH was about 7.5 with a lot of ammonia. I then put in a wood log, it was suggested that it would help keep my PH down.

My ammonia was still a bit high, so another pet store told me to get this chemical that was suppose to lower ammonia. I used it once and decided that if it didn't work I would just have a tank with nothing but plants. It took a month but the ammonia finally went away. During this time I was doing 20% water changes a week.

I decided to put fish back in my aquarium since the PH was 7.2, no ammonia/nitrate/nitrites. I have been trying to go slow buying 2-3 fish at a time. Getting tetras and rosy barbs. They will eat well for the first couple of days then quit eating. Then sit at the surface or in a corner with little movement. Half of them have died and the other will not last long since they will not eat. This has been going on for over a month.

My other tank is still doing good, all this fish are doing well with a big appetite.

So I do not know why I got one aquarium to do good and the other I can not seem to get it right. Any suggestions would be greatly appreciated.
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Old 01-04-2011, 11:27 PM   #2
 
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I don't have too many ideas, just some questions.

How much food are you giving the couple of fish? Fish can go some time without food, they don't have to eat every day. You aren't trying to encourage them to eat by giving more food? Too much food would elevate the ammonia.

How often are you doing water changes during the cycle? Have you tested your tap water for ammonia?
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Old 01-05-2011, 03:35 AM   #3
 
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Quote:
Originally Posted by Manasha View Post
I started a 75 gallon tank well over 3 months ago. I put a few live plants and a few fish to get the cycle going. The water temp is 80, and I use two filters. One is a canister and the other a bio wheel. After 2 weeks the PH and ammonia were still high. The fish were not eating and one by one died. Which I chalked up to the cycling.

At this point I started a second tank that was 30 gallons. They have the same decor and gravel except it does not have any live plants. During the cycling process the fish would eat unlike my other tank, only one fish died during the process. It took two weeks but that tank was doing really good.

But my first tank still had a high PH and ammonia( this was going on a month now). The store I went to suggested "Neutral Regulator" to bring my PH down. At this point I had no fish left in my tank. I put the substance in my tank and after two weeks the PH was about 7.5 with a lot of ammonia. I then put in a wood log, it was suggested that it would help keep my PH down.

My ammonia was still a bit high, so another pet store told me to get this chemical that was suppose to lower ammonia. I used it once and decided that if it didn't work I would just have a tank with nothing but plants. It took a month but the ammonia finally went away. During this time I was doing 20% water changes a week.

I decided to put fish back in my aquarium since the PH was 7.2, no ammonia/nitrate/nitrites. I have been trying to go slow buying 2-3 fish at a time. Getting tetras and rosy barbs. They will eat well for the first couple of days then quit eating. Then sit at the surface or in a corner with little movement. Half of them have died and the other will not last long since they will not eat. This has been going on for over a month.

My other tank is still doing good, all this fish are doing well with a big appetite.

So I do not know why I got one aquarium to do good and the other I can not seem to get it right. Any suggestions would be greatly appreciated.
With no numbers to work with ,it would be anybody's guess as to what killed off all of the fish from the 75 gallon but there are possible contributers.
Too many or too large of fish added at once, overfeeding, under filtered tank, water parameter's not suited for species of fish (pH ,GH,KH,), Osmotic stress from ph adjusting powder's, ammonia level's allowed to get too high before water change,dechlorinator not removing possible ammonia from the tap ,and or the tank or decor was cleaned with detergents or other chemicals that remained in the tank or filters. Is also possible that filter material was cleaned or replaced before biological filter had established itself or ,,all of the above.

Last edited by 1077; 01-05-2011 at 03:38 AM..
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Old 01-05-2011, 07:34 PM   #4
 
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Manasha, welcome to Tropical Fish Keeping forum. Glad you found us. But not glad to hear of the trouble.

As 1077 said, without numbers it is anyone's guess. Something in the 75g tank? What is the substrate, wood--anything else?

Temp at 80F is a bit high for most "Tropicals" and that may have contributed. The barbs are active fish, and active fish generally like cooler environment, say 77F. Most tetra are better there too, though some can tolerate more warmth.

Chemicals intended to lower pH or buffer this or that, whatever, often fail but they stress out fish nonetheless. We can go into this later, but my suggestion is to keep all chemicals out of the tank unless essential (such as to treat disease).

Byron.
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