A Harsh Lesson for Complete Newbies

sirsears

AC Members
May 24, 2007
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Hi Everyone,

I just wanted to share my story with other newbies, and when i use that term I mean someone who has absolutely no experience with aquariums.
I decided to cycle my tank with Danios. I bought all the necessary equipment (I have a 20 gallon long tank), then let everything run for 4 days. I have the AC50 filter, and I was letting it filter in the middle setting, which should be around 100 GPH, which i thought was fine at the time.. On Tuesday night, I bought 6 Danios, they were on the small side, but hey, that is OK, I want to see them grow up! Anyway, I was very excited to finally see fish in my tank! However, when I woke up on Wednesday morning, I only noticed 5 fish! I figured the other was just hiding, no big deal. When i got home Wednesday night, I still only saw 5 fish, one of my zebra danios was missing. I searched the ornaments, the plants, no sign of it. I thought i never took it out of the bag, or it jumped out and is somewhere in my living room, I had no idea.. then thursday morning, I was down to 4 fish! I thought this is impossible, so i took the fish out of the aquarium, put them in a bucket, and searched everything thoroughly. No sign of either fish.. Ah, one place i didnt check, the filter! So i pulled out the media, and sure enough, 2 dead fish.. Apparently the fish were hiding behind my plants and the filter setting was way too strong for these small fish, and were sucked up. I immediately turned down the setting to the minimum and moved the plants away from the filter. So, if you are just starting out, I hope I have helped you to avoid the same fate that I suffered.
 
I doubt they were sucked up while still healthy. I use a fluval 304 and an AC 30 on my 29 gallon tank. My tiny white cloud babies swim near it all the time. My parent have fry that hang out near their AC 50 on a 20 gallon tank without issue. Healthy fish don't get sucked up normal filters, sick fish do. And they were hiding as that is what practically all new tiny fish do when brought home from the store, hide behind a plant.
 
So what do you think happened to the fish that was in the bottom of the filter?
 
Stupid question, I guess the answer would be that they were sick.. They seemed pretty active in the LFS though.. didnt notice anything unusual either..
 
That is the reason it is so important to setup quarentine tanks for new fish that will be going into an established tank. You can't always tell by looking that they are sick. Often a sick fish can do well if its situation isn't too stressful. A move is pretty stressful and raising ammonia levels can also be bad.

To keep your current guys healthy make sure to test for ammonia and nitrite levels and change some water when they start to raise up. Anything registering on a test kit is too much, much more than the filter can handle, and bacteria only grow so fast.

If possible find someone with an established tank that can give you some gravel or filter media. That will speed up the cycle really fast.
 
Unfortunately I dont know anyone else with a tank, but i plan to check the water daily and do proper water changes. Thanks for the advice..
 
Where are you located. Maybe someone here can help you out.
 
I live in Old Bridge, NJ...
 
Sicne you have time now to plan for future fish here are some ideas. A small rubbermaid containers is really cheap. Add a bubble filter (also really cheap) and a heater. Instant QT tank. You don't need gravel or lights. Some plants either real or fake might help to keep new fish less stressed.

I always keep a piece of foam or filter floss tucked into my filter so that when a new fish comes to my house I get the QT setup out (I have an old 5 gallon and my fish are all small), take that piece of bacteria ridden floss and stuff it in the bubble filter so that the tank won't need to cycle. I leave new fish in there for 2-3 weeks and if they look healthy and happy they get to go to the main tank.

So far my fish losses have been due to old age. I have never seen a disease in my main tank.
 
that is pretty cool... I will try that, thank you!
 
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