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 ones don't. assume your pond has enough organics to need ....
Category: 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 will arrive and arrange to have a US Fish and ....
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 cold trips. They're all handled differently. Cold water carries more ....
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 fish or uneaten food. One group of fish with flashing, ....
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 change or edit it at this point because it worked ....
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 2002 at Ashland Berry Farm. ACTIVATED CARBON Activated carbon is ....
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 to me because prior to bead filtration, I'd been using ....
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 immediate hazard to fish You can't argue a single point ....
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 had my first one at the lab. It's the standard ....
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 water, and the replacement of that old water with new ....