Winter and Cold Water Effects on Koi

This article is written by Rosimeri Tran, KHA, to discuss the effects of winter and cold pond water temperature on koi fish and how the koi are affected by vast water temperature changes. I can’t emphasize enough, even if you stopped or greatly reduced feeding your koi during the winter with colder water temperatures, you …

Quarantine Your New Koi

The purchase of a new koi is an investment in expanding your koi hobby. Adding the new arrival to your pond is super exciting, as you want to see the new koi swimming with the rest of your koi. But introducing this new koi to your pond without proper precautions could brew trouble. First, this …

Comparing Sinking Vs. Floating Koi Food

By: Rosimeri Tran There are many options when it comes to koi food based on size, season, nutritional value, color enhancement, cost, etc. Koi keepers can choose the type of koi food that meets their preferences and goals. Here is a comparison of sinking versus floating koi food. Benefits of Sinking Koi Food Benefits of …

MEET THE EXPERT SERIES: Dr. Jessie Sanders

The Central California Koi Society (CCKS) is hosting an educational MEET THE EXPERT SERIES with Dr. Jessie Sanders, Aquatic Veterinarian, that is free for CCKS members on Saturday, May 4, 2024, at the Shinzen Friendship Garden. SATURDAY, MAY 4, 202412:00 – 2:00 pm Topic: Happy & Healthy Koi By: Jessie Sanders, DVM, DABVPHead Veterinarian and …

“Panic at the Pond”

So now, we have this pond, with koi, and some instruction on what to do with the equipment, and some without. As pond keepers we go about our life, enjoying the koi, feeding them, taking pictures of them, until one day, something goes wrong.

A fish swims the wrong way, or not like the others, a koi develops a red mark, raised scale, or even worse we find a deceased koi – every pond keeper’s nightmare!

What to do? What to do? The “panic at the pond” begins.

Koi Pond Water Quality

The number one requirement your koi fish need is clean, oxygenated water that is free from toxins. There is a saying that we are not just koi keepers, but water quality keepers. If the koi pond water contains toxins such as high ammonia, nitrite, and pH, the koi will not do well and may even …