Flukes: Trematodes, Common, and Serious: Koi Ulcer Disease
Flukes: Trematodes, Common, and Serious: Koi Ulcer Disease TREMATODE PARASITES/FLUKES Flukes are the NUMBER ONE cause of Ulcer Disease in Koi and Goldfish. They are..
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Water Changes: Big Changes Not-So-Much
Water Changes for Ammonia Control (Trickle Systems Are Far Superior) Written by Dr Johnson If fish are suffering illness due to any obvious [tested and..
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H2S: Hydrogen Sulfide Anaerobic Gas
Hydrogen Sulfide - Not Very Common Written by Dr. Erik Johnson Actually rather common in saltwater tanks in sand that's deepish and left alone for..
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Carbon Dioxide: CO2 In Ponds, Tanks and Aquaria
Carbon Dioxide Carbon dioxide is produced by the respiration (not photosynthesis) of both plants and animals. When you exhale, you produce Carbon Dioxide. Pretty much..
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Flooming: Superior Aeration and Oxygenation in Ponds and Tanks
I wanted to ask if a small aquarium pump and airstone is enough to oxygenate a couple hundred gallon vat or tank full of fish?..
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Oxygen [caption id="attachment_369" align="alignleft" width="240"] Dead fish due to oxygen depletion. If the water is quite warm and the water isn't adequately aerated the fish..
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Carbonates: How is pH Supported Against Crashing?
Carbonates Support pH But Can Be Exhausted. Carbonate balance is a long subject but I intend to keep it brief. I will over simplify for..
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NuFlor Florfenicol Injection In Koi : Red Skin After Injection
NuFlor Florfenicol Antibiotic Injection Written by Dr Erik Johnson NuFlor - by Doc Johnson Schering's "NuFlor" injectable has been used in Europe on Salmonid fishes..
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Black Patches on Goldfish: Koi and Fish Blackening
Blackening Koi or Goldfish Skin Written by Dr Erik Johnson Melanophore Migration [caption id="attachment_353" align="alignleft" width="300"] Melanophore migration is the ingrowth of black / melanin..
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Koi Bleeding From Gills After Handling
Bleeding Gills After Handling [caption id="attachment_350" align="alignleft" width="233"] Koi, especially if not only, females, may pump a small amount of blood from under the gill..
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