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Koivet.com | Fish Health | Dr. Erik Johnson

Fish Medicines Symptoms and Treatments

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Fwd: Rescue fish won’t eat, fins have tiny holes  |  
Euthanasia in Large Fish  |  
Microbiome May Contain Replacements for Lost Mitochondrial Helper Cultures and Mediate Immune and Endocrine Functions including MS, IBD, CDI, and MD  |  
Koi Herpes Virus – Heat Treatment Experience – South Africa  |  
Stuffing a Koi, Koi Taxidermy  |  
Goldfish Cap or Wen Pimples  |  
SRAC Document RE: Goldfish & Koi For Your Reading Pleasure  |  
Resources of Value to All  |  
Why NOT to use salt in your Koi Pond  |  
KHV video  |  

Category: Environmental Conditions

Wintertime / Winterizing Koi
November 15, 2018 DrErikJohnson

Highlights Try to keep a hole open in the ice. It doesn't always matter. But it's difficult to "know" which pond requires it and which..

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Environmental Conditions / Techniques Tricks & Gear / Temperature
Water Changes
November 15, 2018 DrErikJohnson

Water Changes Are Critically Important A Word About Water Changes - by E L Johnson DVM Water changes are simply the removal of some old..

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Techniques Tricks & Gear / The Water
Ammonia II
November 15, 2018 DrErikJohnson

Ammonia - The Essentials [caption id="attachment_195" align="alignleft" width="300"] Knowing about water quality is the single most important thing a beginner will do.[/caption] Ammonia - Understand..

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Environmental Conditions / The Water
Aeration Oxygenation II
November 15, 2018 DrErikJohnson

Aeration - Oxygenation of Pond Water Aeration - by Doc Johnson "Warm water carries less dissolved oxygen than cold water. Aeration becomes of paramount importance..

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A Health Crisis! / Environmental Conditions / Physical Threats
Nitrate II
November 15, 2018 DrErikJohnson

Indoor pond with nitrate troubles - by Doc Johnson It's hard to have enough artificial lighting to grow healthy algae and plants. Without this, you..

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Filters & Filtration / Techniques Tricks & Gear / The Water
Nitrite II
November 15, 2018 DrErikJohnson

Nitrites - by Doc Johnson Ammonia is converted into Nitrite by Nitrosomonas So, when you set up a new pond, and the fish produce Ammonia;..

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A Health Crisis! / The Water
Rotenone for depopulation of fish ponds
pH Crash
November 15, 2018 DrErikJohnson

PH Crash Is Anyone's Achilles-Heel - by Dr Erik Johnson Abstract Format: pH is just a measurement It needs to be higher than seven A..

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A Health Crisis! / The Water
pH I
November 15, 2018November 15, 2018 DrErikJohnson

pH in The Most Basic Terms - by Doc Johnson Simple drop type test with Bromthymol Blue Stay above pH 7.0 for best results with..

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A Health Crisis! / The Water
Yellow Water and Tannins
November 15, 2018November 15, 2018 DrErikJohnson

That yellow color in the water - by Erik Johnson DVM "My pond is about 3 months old. The water is clear but has a..

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About Ponds / All About Water Quality / Filters & Filtration / The Water
This is a wound from a plecostomus with a koi in a too-small container.
How to Manage Fresh Wounds in Fish Skin
February 1, 2018 DrErikJohnson

Wound Management Since wounds are NOT caused by a disease process and usually you can tell a wound from an ulcer, I'd encourage you to consider no..

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Lesions / Symptoms / Physical Threats

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