Wintertime / Winterizing Koi
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..
Read MoreCategory: Techniques Tricks & Gear
Quarantine is a technology, using a scope is tech and picking a scope is Gear. Here’s where these articles are.
Incoming Koi Triage – Japanese Import
Receiving Japanese Import Fish Successfully - by Doc Johnson Importation of Koi from Japan (US Only) First, you need to know *exactly* when the plane..
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Shipping / Transporting Fish / Koi
Shipping fish There are six kinds of trips: Long hot trips Long cold trips Medium hot trips Medium cold trips Short hot trips and Short..
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Potassium Permanganate III
Potassium Permanganate KMnO4 - by Doc Johnson Ingredients: One pound of granular or crystalline potassium permanganate (KmnO4) One pond, freshly cleaned of debris, bottom-detritus, dead..
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Potassium Permanganate for Ciliates
This is an EXTREMELY old article. But it was written during active fish medicine practice and had a high degree of success. I don't dare..
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Activated Charcoal / Carbon Filtration
Activated Carbon - Charcoal Activated Carbon - Detailed information - by Carl Gittings This article was prepared by Carl Gittings in preparation for Koi Camp..
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Aquadyne Bead Filters
This is one of the filters which I [Dr. Johnson] am using at my home*. *Aquadyne 2.2 on 1,000 gal water (2018) Bead filtration appealed..
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Aquascape Ponds
AquaScapes gravel bottomed pond installations - by Doc Johnson Wildly popular and easy for landscapers to install Attractive Cost effective Beautiful when fully planted No..
Read More Gravel In Ponds
Understanding Gravel Bottom Ponds This has been my tenth year with a gravel-bottom pond. And, on top of that it's my fifth such pond, I..
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Water Changes
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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