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Ask The Doc

Ask The Doc – The monthly question and answer entry at DrJohnson.com

Making Dechlorinator – Sodium thiosulfate

How should I make a good dechlorinating solution? I have read about some pretty high doses, like 250 grams in 500ml of water to make a stock solution. A: First, let’s tell our reader how...

What is “Flashing” in Koi or Pond Fish?

What is “Flashing” in Koi or Pond Fish? “Flashing” is basically just a fish that is “scratching” itself on the pond / tank bottom, or ornamentation. It USUALLY doesn’t mean anything, unless it’s “more...

Vitamins For Freshwater Fish Are a Waste of Money

Vitamins in teleost freshwater fishes are another way to spend money. But before you buy vitamins for freshwater fish, please put the money in an envelop and mail it to the Department of Labor....

What’s the Best Dog Probiotic on Amazon?

What’s the Best Dog Probiotic on Amazon? We’ve almost forever known that our gut contains germs. We learned a little more recently that many of the germs in our gut a “good” and necessary....

My Koi Ate TWO PECANS Whole! Should I Be Worried?

My Koi Ate TWO PECANS Whole! Should I Be Worried? “Before I go any further, I am self employed, and nothing annoys me more than folks expecting me to do what I do for...

I Need To Find a Home For A Rescue Dog

I Need To Find a Home For A Rescue Dog I’m figuring in Cobb County, Marietta because I don’t know any other “market” for rescues. So, there’s like, four or five avenues, besides dropping...

The Difference Between Heartworm Treatments

The Difference Between Heartworm Treatments My friend is fostering a dog through a rescue and the dog is heartworm positive. I was wondering what is involved in slow kill treatment for dogs with heart...

Fish Symptoms of Disease

Fish With White Eye White-eye is often a Flexobacterial infection. Injections are curative. In other cases, a fish will have traumatized the eye in some way and the lesion is corneal edema. In these...

Stunting of Discus While Attacking Hexamita

Sadly, stunting can be permanent if it goes on long enough. I got a question about Hexamita, and a medicine that kept crushing his filtration beneficials. By the time he ‘beat’ the Hexamita, his...

For Discus, Metronidazole Injectable

Intestinal parasites in Discus are vulnerable to several methods of clearance, not the least of which is Praziquantel. Still, that’s not the only organism known to infect the gut of a Discus, with Hexamita...

Case: Can My Dog Food Cause DCM? Cardiomyopathy?

Hi, Dr. Johnson, Just ran into this article on the internet and was horrified that the food from Costco that was recommended to us is on this list. Should we stop feeding the “Nature’s...