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Author Topic: New to fish keeping  (Read 860 times)
Hazel
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New to fish keeping
« on: October 26, 2010, 03:42:58 PM »

I'm new at keeping fish... I had a real nice pond all summer but my husband wanted me to bring the fish in for the fall and winter. I have 24 fish in all and 3 snails. 6 of my fish are koi and the rest are different gold fish. The water had turned green and being it is 120 gal tank it is not easy to change the water all the time. Right now I am useing the filter and fountain from my pond to clean and oxiginate the tank. What do I need to do to keep them in the house and keep them healthy and happy?
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Mindemae
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Re: New to fish keeping
« Reply #1 on: October 26, 2010, 04:56:22 PM »

Well, the first thing I would do is get a water changer that you can hook up to a sink faucet.
I use a water changer by Aqueon.  Mine is a 50ft. one but they have a 25 ft. one too!  Makes changing water a snap and a simple flip of a switch lets you start or stop water flow. Smiley
The second thing I would get is a test kit so you can test your tank water and do water changes accordingly.  The liquid test kit is the best by API.  You will want to test for pH, ammonia, and nitrites (both should read zero if your water quality is good) and nitrates (this test should read below 40ppm.  If it is higher than 40 you need to do a water change asap. Smiley
With 24 fish and especially Koi your tank is really overcrowed.  Koi and goldfish are extremely messy!
You will need a good filter system.  Try to get an external canister filter, mine is by Hagen, a fluval filter.  You might be able to use the pond filter too but both filters will need at least monthly maintenance.
Welcome to the forum...there are lots of experienced and nice folks here to give advice! Wink
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Hanna
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Re: New to fish keeping
« Reply #2 on: October 26, 2010, 05:25:39 PM »

Welcome to the forum, Mindemae is right, she and Nossie are the most experienced on here I believe  Grin
And the rest are sweet peeps with lots of knowledge too, lol Cheesy and we all learn from each other by sharing our experiences. I love this little forum  Smiley

Anyway, Mindemae is right, the tank is overcrowded and in this case you really need the best filter system you can get. Then the test kit. You will need to perform regular waterchanges, maybe twice a week because of relation tank size -  number fish.
Also very good aeration with some airstones and live plants, as your fishies are used to having them and they love to nibble them... like a salad snack.
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Hazel
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Re: New to fish keeping
« Reply #3 on: October 26, 2010, 06:25:08 PM »

Wow thank you both so much.. I told him we had to many fish... the koi are not real big 3 are about 6 inches and 3 are about 4 inches. We were just talking about getting a better filter system but I never heard of one that was outside the tank ??  My tank is 5ft long and like I said its 120 or 125 gal. I plan on getting more plants I only have 1 right now. Again thank you so much for the info...  Grin
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Nossie
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Re: New to fish keeping
« Reply #4 on: October 27, 2010, 02:36:24 AM »

I am using an external filter as well Smiley If your tank has a stand or shelf under it, you can hide the filter there Cheesy I have mine standing next to the tank, because there's a wall on the cabinet under xD Anyways, be sure to get a filter that can pump at least 1200 gallons/h. Even bigger than that would be better! External filters can usually handle a larger bio load and a bigger amount of water, so they're usually recommended for tanks bigger than maybe... 60 gallons, I believe. But there are smaller external filters available too Smiley

They basically look like this:
[image]


With hoses connected to the upper and lower outflow respectively intake. The one on the picture is the one I've got, but they are all basically the same, just with different looks Wink It's sometimes good to combine filtration in your tank to make it even more efficient! I've got a smaller internal filter as well, rated for a 56 gallon, but combined with the external filter it works very good! Smiley
You should try finding a pet shop with lots of knowledgeable people and ask for advice about filtration there! Cheesy

And I would, if you can, give away a few of those fish. At least the koi, because they will outgrow the tank in a minute! Your 120/125 gallon can only support a maximum of 12 fish. Unless you'd be checking the water chemistry and doing regular water changes when needed. But try to decrease the number of fish to maybe 14-16 or something Smiley With good filtration you can pull that off!
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Hazel
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Re: New to fish keeping
« Reply #5 on: October 27, 2010, 03:18:41 PM »

 Smiley  Thank you so much I will be looking into that filter system.  But I haye to get rid of any of my Fishies I love them all. They are so cool to watch and very relaxing.
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Nossie
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Re: New to fish keeping
« Reply #6 on: October 28, 2010, 03:33:41 AM »

That's your choice Cheesy If I was you, I'd try to keep the koi in the pond at least, because you can't fit so many big fish into one tank, even if you try to change water often and keep the water quality as good as possible, the fish won't have space to swim, and they'll most likely get really stressed in the crowded tank, which leads to illness Undecided

You could always get a second tank and keep some fish there to try and bring down the numbers! Nothing big, maybe a 60-80 gallon to keep some of the fish in and you could leave the rest in the bigger tank!

Koi will usually outgrow goldfish and most ponds really fast, and start bullying the smaller goldfish. That's why it's usually adviced to keep koi by themselves, and goldfish by themselves. The koi should easily survive the winter in the pond as well as long as you won't let the water freeze completely. They'd go into hibernation and simply sleep it all through Smiley

What kinds of goldfish do you have?
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