Ich Fish Kill, Where From Here

mandersen

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Here's the details, looking for advice on where to go from here. Not completely new to fish keeping, but new as far as thinking I know what I'm doing. I had aquariums as a teenager, now I'm nearly 40. I spent probably 6 months researching what I wanted to do, and different fish before I finally filled my tank and got started.

I did not do a fishless cycle, I did use a cycle chemical and started with a shoal of 8 long finned zebra danios. After about 2 weeks I added a shoal of 7 cherry barbs, I ended up with 4 males and 3 females, which was a problem, as the males were relentless chasing the females after a while. After another couple of weeks I introduced a shoal of 6 harlequin rasbora's.

I went with this tank load for a month or month and a half and then, in the space of a couple of weeks, added 3 clown loaches, 3 boesmani rainbow fish, 1 rainbow shark.

Things were going well, everyone getting along, everyone seemed healthy. I was having some algae issues, and my 10 year old son had a pleco in his 10 gallon aquarium that had grown to about 3 inches or so. He could never keep any fish alive in the tank with it however. I added the pleco to my tank trying to get him to take care of some of the algae.

Finally, I went to Petsmart and added 3 female cherry barbs. All of the other fish were from a reputable local fish store.

I got married two weeks ago, went on a 5 day honeymoon, had my nephew take care of the fish, came home and my rainbows looked terrible, all 3 with ich bad. He did overfeed them. I did a 1/2 water change and started medicating.

I ended up losing all 3 rainbows, all the barbs, and the 3 loaches.

It's been a week, I'm no longer medicating, the remaining fish all look fine. Here's my educated guesses at what happened:

1)The pleco carried ich to my tank
2)The barbs from Petsmart carried it to my tank
3)The overfeeding increased the ammonia and gave the fish ich.

Either way, it's been a week, ther emaining fish look fine, I'm not sure what to do now. Get rid of the pleco? Do I need to do a complete water change now? I"m scared to introduce any more fish to my tank until I know it's healthy. Can Ich live on my plastic plants and caves? I increased the water temp. to 78 degrees. I'm just looking for help and advice. I really loved the way my tank was looking and the setup I had. Outside of the ammonia reading .5, the rest of the water readings were all within line. My fish load may have been a little heavy, but the loaches were very small at this point, and my goal was to get a larger 2nd aquarium in 6-9 months and moving them over and getting some bala sharks.

This tank was a 46 gal. bowfront.

Help.
 
Ich can be due to poor water quality or other stresses on the fish.
There still can be ich parasites in the tank even though there aren't any on the fish. The parasite falls off the host then makes itself a cocoon where medicine will not affect it. The only time medicine works is when the parasite is free swimming and looking for hosts. High temperatures speeds up this process (which is better for the fish, get rid of them faster, 82F would take about a week to go through one cycle).

It could have come from the pleco or petsmart fish. But if you treated them (and killed all the parasites) then you shouldn't need to get rid of the pleco or barbs. And you don't need to do a complete water change. Partial water changes everyday would be ok. Maybe 15% each for a few days. Also if you get any new fish, quarantine them in another tank to make sure they don't have diseases.

How much did he over feed? And what is the water stats? Notice any fish not getting along?

What kind of pleco by the way? Common plecos get quite big and are poop machines.

Here's some reading you can do :)

http://www.cichlid-forum.com/articles/ich.php
 

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