Aquatic Koi My small pond. I have two koi and several gold fish.


My small pond. I have two koi and several gold fish.

Posted: 05 Jun 2020 06:02 PM PDT

After a year of work on my backyard. The line of arborvitaes used to be a long pile of rubble (remnants of a farmer’s wall) and the koi pond used to be a rusty swing set.

Posted: 05 Jun 2020 05:57 AM PDT

How fast do they grow ? Advice about indoor/outdoor setup

Posted: 05 Jun 2020 10:43 PM PDT

I live in an area where having an outdoor pond is not possible . I was wondering if I can get small koi and keep them in an indoor tank( 300-400 gallon) . I will be moving to a different place in 3 yrs where I can have a pond (2000 gallon)

Is it possible to keep the koi in the tank for 2- 3 yrs before I move them to a pond , or will they outgrow the tank very fast ?

submitted by /u/stern_ritter
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does it matter if the retro bottom drains have to travel different distances to the same pump? Should the piping converge as close to the pump as possible or does it not matter?

Posted: 05 Jun 2020 11:36 PM PDT

We just recently set this up about 2 weeks ago, this is from the day we set it up. If I remember correctly, it's approx. 5,000 gallons. We have 30 fish, the oldest are 4 years old and like a foot and change long.

Posted: 05 Jun 2020 09:21 PM PDT

Large water change with high chloramine?

Posted: 05 Jun 2020 09:37 AM PDT

Hi, I just bought a house in March that had a koi pond (~1800-2500 gallons or so), so I've suddenly become a koi keeper with no prior experience or research. I've been studying up a lot recently, but we've had a lot of issues including some fish loss early on after receiving some bad advice from our (former) pond management company.

Anyway, the remaining koi seemed to be doing great. We had to have the stream completely redone due to a bad leak, which led to rain washing a lot of sediment into the pond and making it super murky. We also have a new filter and biofalls so the good bacteria has to basically start over and recreate the nitrogen cycle.

To clear up the murkiness, we just did a large water change (~80%), treating the pond with pond prime (treats ammonia, chlorine, and chloramine). The pond tested high for ammonia last night at 1ppm.

The fish have intermittently shown some signs of stress. Swimming erratically, flashing, etc.

I just tested the tap today and found it's at 1ppm too, so it's actually chloramine. Also tested bottled water as a control on my test kit and it showed clean.

My TL;DR here is: I did a large water change adding tap that turns out to have 1ppm of chloramine in it. I treated the pond for it when I added the water, as well as again this morning. Do I need to continue doing anything else to manage it (like treat for chloramine daily or anything), or is it considered fully neutralized at this point? And does that answer change if my pond's nitrogen cycle is not built up yet?

I appreciate any advice anyone can offer, I want to keep the remaining 2 koi healthy and hopefully add/maintain more healthy koi soon. Thank you.

Edit: Other water conditions:

pH seems to be ~7.5. It appears to be reading at the top end of the low pH test and the bottom end of the high pH test.

Temperature is 72 degrees F

Nitrites are 0ppm

Nitrates were around 10ppm last night

kH was only 2. I added baking soda a few hours ago and haven't retested it yet.

submitted by /u/wolf_in_bull_city
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White/Green Fuzz?

Posted: 05 Jun 2020 11:35 AM PDT

Hey guys! I've noticed one of my Koi has a couple fuzzy spots on it. From what I've gathered on the internet, it seems like a fungus?

Do I quarantine the fish and treat it that way? Or can I just treat the entire pond? I don't want anything happening to my other fish either.

submitted by /u/gilded_unicorn
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Help! Issue with electric shock from pond.

Posted: 05 Jun 2020 10:04 AM PDT

We've gone through 3 pond pumps and each time after about 2 weeks there is stray voltage in the water. We've replaced the extension cord but we do not have GCFI. Could that be the issue? Help!

submitted by /u/fxavsj11
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Bulging koi eye? Has anyone seen this happen to their koi? What would be causing it? And is there something that can be done for treatment?

Posted: 05 Jun 2020 08:33 AM PDT

New pond and keep losing fish

Posted: 05 Jun 2020 05:51 AM PDT

I've kept Koi in the past as well as salt water fish and not had much trouble, but I am really struggling with this new pond. We bought a metal stock tank, 8ft x 2ft, 700 gallons. My first batch died within a few days and I'm confident the issue was doing some water top off from our hose and not getting enough treatment in there to deactivate the chlorine. Following that experience I let the tank sit all through the winter and waited until we had consistent, warm weather. I've got some water lilies and horsetail plants in the tank, and I let some leaves accumulate on the bottom to start giving some organic materials to the tank. I've got an appropriately sized filter with a fountain sprayer for aeration. I added 7x 6" koi to the tank. This time they lasted much longer, but still died. No signs of illness, and it was several weeks between the first one dying and the last one dying. Would just come out and find a dead one floating once a week or so until they were all gone. Feeding koi pellets once a day, manually removing algae (no chemicals), only rainwater to top off the tank. Tank is mostly shaded, very little direct sun. I've not been consistently testing the water, but when I have the pH has been in range. Fish showed no signs of distress until they were too far gone.

submitted by /u/FAPietroKoch
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