PondCrisis.com
If you have a koi, pond or fish problem, this site takes you through twenty easy questions and at the end you know what you need to fix in your pond to create restored Koi health.

KoiCrisis.com
Koi Crisis has a symptoms chart by system you can choose the symptom by fish part, and resolve a lot of Koi pond fish problems or at least, learn about them understand how to remedy them.

Buying Domestic Koi
What does "Domestic" koi mean? Why would you buy that kind? How do you pick good and healthy ones? Who sells them and where do you find the best ones?

Buying Imported Koi
A Japanese or Israeli imported Koi is a beautiful thing. Why would you buy one of those? How do you identify a "good one"? And what kinds are there? Who would you buy one from?

Koi Filtration - Bead
With a little bit of management every week or so, you can have gin clear water in your koi or fish pond. Bead filtration is more than ten years old and defines the state of the art in Koi and pond fish ponds.

Koi Filtration - Natural
Requiring no weekly management but one big yearly overhaul, natural filtration is the easiest there is. Relying on live plants and organic processes, water quality is usually superb. Described and common mistakes illustrated, visit this site!

Koi Food & Feeding
What should you feed your koi? How many times per day? Is Corn really that bad in a Koi diet? What are the most common feeding mistakes people make? What's the best food?

Koi and Pond Hard Goods
So many places these days, are pure ripoffs. Finding a reputable dealer of koi and pond hard goods isn't as easy as you would think but there's ways to tell. The product line should be to-the-point and not contain shams. Who's doing it right? Visit this site!

Finding Reputable Dealers
The fish are only as good as the dealer holding them. Quarantines, guarantees and fish quality all factor in. What to ask, what to see and how to handle your new fish.

Books on Koi Diseases
You will be introduced to Dr Johnson's Koi Health book but also to other books he's reviewed.

Help With Koi Problems
Koi Community rates a variety of forums and message boards on ease of use, friendliness and quality of help. Not all boards are created equal. Not mincing words here.

Vino Depascagliatelli Doses Salt for Koi and Pond Fish

This fellow, whose name is Vino DePascagliatelli (he's fictitious but the name is fun to say fast) has a fifty-five gallon fish tank full of fine Chinese Ranchu. (He never went for those big ugly-headed Orandas). Anyway, his fish break with Ich because he bought a new fish from an otherwise reputable dealer and did not quarantine it. The Ich is obvious because the fish have white spots all over their fins and bodies. So he checks out this book and quickly figures up his total dose of salt.

0.3% represents one tablespoon per gallon.

He has a fifty-five gallon tank and the fish are stable, so he figures the dose into "thirds" for gradual addition. That would be 18.3 tablespoons every twelve hours.

It's ten o'clock by the time he gets home with the salt. He bought So-Lo® brand rock salt with Yellow Prussiate of Soda. He's just about to KILL all his fish when his wife notices it: "Vino, Vino!! Oh my God, Vino lookit he-ah! Lookie! Doc Johnsin's book says not ta' use no salt wit Yella' Prussiate uh Soda in it!"

Vino grabs his receipt and runs down to the local mart, and exchanges the salt for Dandy® brand, which has Sodium Alumino-silicate as its anti-caking agent. This is fine.

He gets home just in time to meet his wife at the door. She's going to get lunch with her friend Myrna, and she still has curlers still in her hair.

He checks his watch. It's noon. Vino adds 18 tablespoons of salt. When it dissolves it leaves a little sand on the glass bottom of his tank. No big deal.

"Docta Johnson din't say nuttin' 'bout no sand bein' left behind in da tank". He's a little miffed but he ignores it, as he should.

Twelve hours later, at midnight, his wife wakes him up.

"Dincha' hafta add some mowa salt ta 'dat fish tank ovah daya?"

"Jeez Stella, 'tanks fer wakin' me up, I almast fa-got!" Vino rubs his eyes and applies another 18 tablespoons of salt to the tank. He goes back to bed. Stella still has the curlers in her hair.

It's noon the next day when Vino walks over to the tank. (Well, Vino kind of struts like a large chicken, and he has a gigantic pompadour, but that's another story). He leans down and notices the fish are perkier. The spots are still there, but he's a trusting fellow. So he adds his last eighteen tablespoons and sits down to read the paper.

That night, Stella is counting all the white spots.

"One thousand eight hunnid and ninety seven! Vino! They're goin' away! Yestaday dare wuz two 'tousand five hunnid and toidy!"

Vino puts his head in his hands. She starts counting the white spots all over again.

Forty eight hours later, she is counting the white spots again. She still has curlers in her hair. 

"Jeez, Stella, are we gonna go to some kinda big Poddy at da end ah da munt? Whatcha wearin' 'dem 'coilas fa?"

"Oh shut up, Vino!" she retorts. "I shou'nt tell ya dis, 'cause yer bein' such a goombah, but doze Ick bugs is all gone away!"

Vino jumps up and looks. Within about 72 hours after the last salt dose, at seventy-four degrees oF all of the Ich cysts have vanished from the skin. He leaves the salt in for ten more days just to be on the safe side. Later that week he wins the New York Lotto and sends Dr. Johnson a new Lincoln Town Car for all his careful advice in this great book.

Koivet.com
Koivet is a venerable, long lived koi and pond fish health site started by Dr Erik Johnson in 1994 as an off shoot of his first few websites at Mindspring.com. Now Koivet is full of information and movies and more.

Koi Beginner
Once you've leapfrogged through this tutorial you will have a solid, working concept of the Koi hobby and what it's all about. This is done just about exclusively with video and very little written material.

DrJohnson.com
More than koi health, this site spans all things animal, by a real veterinarian who shoots you straight.

Fishdoc.co.uk
By Frank Prince-Iles. A UK authority who put this site together some time ago and which is still relied upon as a major source of good Koi and pond fish information

Fish Medicines
Learn about fish medicines, what they do, and where to get them.