Activity Stream

Hey, folks, I hope all is well in your world. I'm building a greenhouse, and I want it to be mostly passive solar for heat. That means having a...

Can a DIY, 4" bottom drain be rigged up with success? Or should I just buy one? And, can BDs be shut off, to stop water while possibly servicing...

I will be rebuilding my koi pond next spring and I have a few questions. The pond will be circular, 15’ diameter, and also will be conical in that...

Howdy, I'm finally about to embark on upgrading my watergarden style "pond" to a proper Koi pond, with five foot straight sides. I was under the...

I think I have come up with my first five must have koi when I finish my pond: Chagoi Kohaku Sanke Ochiba Yamabuki What’s your pond...

Many newer people have no clue what KPOTY is.......... KOIPHEN PERSON OF THE YEAR It has been my honor to be KPOTY for 2020, it is now time for...

Hi, my first post on this forum and looking for urgent help/advice. I live in Sydney, Australia so we have just gone into summer. My new house...

I know several years ago Saki Hikari was groundbreaking and everybody wanted it. Have any foods surpassed it now?

I recently added some new koi to my pond and a few days later had an unexpected temperature drop. Yesterday being the coldest with some ice forming....

Just think'n.......what's the purpose of the larger collection area on most BDs? One guy here said he just uses a standard 4" BD and it works just...

Hi All, My pond liner is bulging out a lot and the water level is dropping. It has been raining heavily in the area, so the water level doesn't...

Hello friends: I am still not sure what makes bad water quality. I know that the more ammonia, nitrite and nitrate the worse the water quality...

For my koi friends: Mark Gardener passed away yesterday. Another Koi Kichi gone. "It breaks my heart to let all Marks friends and followers...

Hello friends: Today I took a good look at my nice collection of small koi I bought/bred this summer, and I found that 4 of them had lesions,...

I have a new small pond about 1000 Gals only. planning to have an air lift , currently the Elbow pipe going into the pond is around 3 inch...

Wishing everyone a Blessed and Merry Christmas plus a Happy and Safe New Year!!!

Hello friends: Today I netted my koi for examination, and it seems to be a a big mistake. One koi, about 50 cm, bled a lot from its gills. So I...

Good morning Ladies and Gentlemen. Compliments of the Season and a Happy and a Healthy New Year to you all. My man for January MVP is a...

Hello friends: I have unfortunately developed a kind of fish parasite-phobia. I just cannot stop worrying about fish parasites. Now the following...

I am setting up a new 4,000 gal or so pond and wanted to get opinions on the filter and pump setup I am looking to purchase. My main goal is to have...

Question: If one were to only keep female koi, would they still develop eggs and lay eggs? I don't want to breed my koi and don't want spawning in my...

For people who would like to share underwater footage of their pond but do not have water proof phones... Steps 1. Grab a big sized ziploc bag...

Been running the same way for 5 years now. About 40 Koi in the pond, 12 are 20 to 30 inches and the rest between 6 to 12 inches. The pond is 10 K...

Happy New Year to everyone here on Koiphen! :) Lets hope 2021 will be healthier & happier for everyone <3 :party1::toast::wine::draft: ...

I have heard that 80 to 120 KH is optimal. I have also heard it is best to be a bit over 120. My city water is 53 KH so I’ve been using Fritz Pond...

Hi all, I currently have an issue with string algae growing in my IBC settlement chamber - blocking up the screen which needs cleaning everyday. ...

1). 17" Nisai female Kawarimono - $600.00 This is from the "Black Pearl" line.