Why not use formalin in cold water?

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Coldwater formalin There‚Äôs no decent reason. 100 years ago some asshole wrote that formalin will settle to the bottom in ice cold water. Which is actually true, it will stratify if you leave it in a vial under test circumstances. But the concept is that it would create hot spots on the bottom of the […]


Consultation on South American fish

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Checkboxes Freshwater Fish Size of system in gallons 180 Water Changes 1x week 25-30% water is clean, no gravel Stocking Density in Inches of Fish 5 denticulata piranha @ 7″ and 4 tiger silver dollars @ 4″ Type(s) of filtration 2 aquaclear 110, one fluval wavemaker Did you get any new fish? Did you quarantine […]


Top Ten Things Anybody With Koi Should Know About

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The Top Ten Things You Need To Know and Master For Success With a Koi Pond The Super Basics of Koi Figures out all the following: Inventories quality, informational resources for a deeper understanding But the most successful garden-variety hobbyist: Feeds decent food, redundantly supplies their pond electrical, supports lively water movement and intercepts temperature […]


Use A Human Pharmacy Instead If You Have To.

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Did You Know that the "Pharmacy" operating within Chewy, Petsmart, PetcareRx and Petmeds is the same company?  To be honest, I felt like Chewy (especially) really sank to the next level when they hopped into bed with that clan. The most annoying thing about these p.o.s. "pet" pharmacies. When you see their advertisement on TV […]


New Resources

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Without taking too much of your time, let me show you some new resources, which are of benefit to Dog, Cat, Koi and Pondfish Lovers.  I did a page and a video on dental cleaning in dogs and WHY – it's not just cosmetic in fact that's secondary: It's actually the comfort of the dog […]


pH Pill To Sustain pH and Prevent pH Crash

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How To Support pH in Aquatic Systems like ponds and aquaria with more convenience and even better residual safety. There are two videos on Youtube done by Dr. Erik Johnson regarding a way to make a pH Buffer into a pill form, that slowly dissolves to support pH and prevent pH Crash. A real thing. […]


The Truth – My Second Marriage Was Just Me Being Used.

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My second marriage was driven by an issue of hardship for the mother. She had lost her husband to prison, and suddenly had inadequate income to support their four kids. So before her husband had even been sentenced, she was on EHarmony and picked me out. She researched my veterinary license and checked me out […]


The Major Koi and Goldfish Viruses in Readable Format

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I don't think Koi and Goldfish viruses could be covered better than the following documents. These are things I found online visiting some sites while I got my USDA/accreditation. They open as flip books. You have to have Flash but they open plain, Flash, regular and mobile. Pretty neat.  The viruses covered include Spring viremia, […]


A Note to My Ex Wife From E-Harmony

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I should talk with Dr Phil about this, huh? Dear Ex Wife from E-Harmony: We were married only four and a half years, but I have seven more years of child support to pay you and not a single drop of my blood is in any of your kids' veins. When I met you, and […]


Links and Pet Koi, Fish Dog and Cat Health Articles & Videos

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Fish Health Help & Other Pet Resources Welcome to Dr Johnson’s web presence, sites linked based on pet health, pet keeping advice, fish health and answers to questions like “My fish are sick, what should I do?” as well as supporting various aspects of the Koi & Fish health topic. Pet information regarding kennels and […]