Welcome to Koi-Care.com, where you’ll find lots of useful information on koi and koi ponds.
What is Koi-Care?
Hi, I’m Grant and I’m a veteran fish biologist. I love fish and so do you -that’s why you’re here! I like to raise koi and tackle issues surrounding them and the water they live in. Big pond or small, come on in!
What Koi-Care Does
This site is here to help folks that have koi ponds but want to know more. You will find information on this site that covers fish diseases, water quality issues, algae issues and a whole lot more.
What You’ll Find Here
You will find in-depth articles on lots of the common koi pond issues. You will also find koi pond “stuff” that you may need to solve a problem or make your pond a better place for your koi.
Explore Articles & Research Products
General Koi Information
“Chilled Out” Koi: How Koi Survive Frozen Ponds in Winter
If you live in a northern climate then chances are good that you see snow and ice as does your
Food and Nutrition
Feeding your Koi as Water Temperatures Change
Everyone knows that water temperature plays a big role in how active koi are but a koi’s metabolism and
Quarantine Your Koi: Why and How
Anyone that has cared for or owned koi for any significant period of time has had to isolate their fish
Why Pond Algae Occurs (and How to Get Rid Of It)
It is the case that every spring, as temperatures rise and daylight hours increase, an algal bloom occurs in almost
Pond Care & Filtration
Understanding the Biological Cycle of Your Koi Pond
The biological cycle is really better defined as the “nitrogen cycle” because primarily what pond keepers are concerned with is
I’ve Got Koi Fry…Now What!? A Step-Wise Approach to Raising Baby Koi (with video)
If you just noticed that your pond now has a million little koi fry swimming around then skip down to