KOI ULCER DISEASE PART ONE OF THREE - What is Koi Ulcer disease? 

What causes ulcer disease? How do you manage it? How Does Salt fit into the picture? What's the dose? What is an injection and do you have a video of that? Why is one injection type better than another? What can you clean Ulcers with? Why do you only clean an ulcer once? All this and more in how to treat koi ulcer disease. Part One of Three

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