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Koi Information & Articles from our Experts at the Farm

Promoting Healthy Koi Awareness!

Use this page as your resource for all types of koi information and health questions. We’ve written many blogs on this website and our kodamakoigarden.com website that you will be linked to for reading about koi quarantine, koi health diagnosis, biological pond filters, koi care, meaning of koi fish, best koi food, and more!

Read our articles for quick and expert information to ensure your koi will live happy and healthy for a long-time.

Quarantine & Diagnosis Articles

It’s really sad seeing your beloved koi sick or suffering from parasites. But thankfully there are steps you can do to prevent disease and treat the koi. Have a look at the blog posts below:

Koi Quarantine Tank Setup & Procedures

Learn how to quarantine your koi and setup a quarantine tank from Taro Kodama.

We will explain our best tips for quarantine procedures and offer our recommended products for setting up the tank at home.

HELP, Is My Koi Sick?!?

We have created this article and checklist guide to help you diagnose if your koi is sick by its symptoms…

Use the quick reference koi health checklist, the table of symptoms, and table of diseases to diagnose your koi better.

Safely Managing Japan KHV Outbreak

Learn to quarantine your koi and setup a quarantine tank from Taro Kodama. We’ll explain our best tips for quarantine procedures and offer our recommended products for setting up the tank at home to prevent diseases…

How to Make Medicated Koi Food for Bacterial Infections

Learn to make your own medicated koi food at home and use our special package of everything you need to make your own food. We will go through bacterial infections and what to use for parasites too.

Koi Food & Feeding Articles

As the saying goes, “You are what you eat”. And this holds true for koi, too. Learn how to feed them for growth and color and how to change their feed as the seasons change.

Koi Food Guide: Maximize Color & Growth of Koi Fish

Quality koi food is important not only for fish health but for maintaining excellent water quality as well. It is important to invest in high-grade koi food because they consist of essential nutrients and vitamins needed to keep koi healthy.

How To Feed Your Koi Like Japanese Champions!

Correct feeding and food are the key ingredient to improve your Koi’s health, happiness, and longevity. Learn how we at Kodama Koi Farm have learned and incorporated many Japanese koi breeding best practices into our farm in order to feed a proper diet for the most beautiful living jewels.

Pond Environment Biology Articles

The pond environment directly impacts your koi’s health. Knowing how friendly bacteria, oxygen levels, filtration, etc. affect them will help them live long, resist disease, and thrive.

Tips for Improving the Nitrogen Cycle in your Koi Pond

We wrote this blog post to give you a foundation of the nitrogen cycle in your pond so you can maintain healthy water for your Koi. We will also explain our best product recommendation for keeping your water healthy.

Understanding Koi Pond Filter System

A filter is a critical part of a Koi pond. Why is it so important? Because for a koi, a pond without a filter is like living in a room with no toilet. Table of Contents: Why do you need a filter for your Koi pond? Mechanical filtration vs. biological filtration…

BioClean – Koi Pond Filter System

BioClean returns koi pond filtration to the basics. It’s simple gravity-flow design eliminates all moving parts from the filter, therefore eliminating all common points of failure, such as those found in pressurized filters. This means the filter will last for the lifetime…

Understanding Koi Clay, Minerals, & Vitamins from Japan

In this blog, I’ll explain why the top Japanese dealers and hobbyists use KoiNendo (formerly known as REFRESH) clay as a mineral supplement to increase the health and shine of their koi fish. This koi clay from Niigata, Japan is so…

Preparation & Treatments Articles

Every koi goes through various transitions like entering different seasons, breeding, moving to new ponds, etc. These changes can leave your koi vulnerable; but there are steps you can do to make the process safer and successful.

Preparing Your Koi Pond For Spring

Learn our recommended tips and tools for Koi pond owners to follow for spring pond opening. If you do it wrong, your Koi can get sick. If you do it right, they will thank you; and you will enjoy the rest of the Koi season with peace of mind. We have over 50+ years caring for high quality Japanese koi…

Koi Pond Winter Preparation and Survival Guide

Summer is over. Fall is here. And winter pond care is quickly on your mind with snow in the forecast. For our beloved Koi, what should we do?  Fall (as well as spring) is a vulnerable time for Koi because water temperatures fluctuate and start dropping…

How To Care For Your Koi Fish After Receiving It

Use this guide to properly introduce new koi fish into your pond using the proper quarantining, pond care, and water quality control methods… Adding new koi to your pond is exciting and fun but should be approached with caution…