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: Environmental Conditions
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 ....
Ammonia II
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 this! - by Doc Johnson Ammonia is the first waste ....
Aeration Oxygenation II
Aeration - Oxygenation of Pond Water Aeration - by Doc Johnson "Warm water carries less dissolved oxygen than cold water. Aeration becomes of paramount importance in the summertime. In the winter, low dissolved oxygen would ....
Nitrate II
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 can suffer an accumulation of nitrate. In studies, high nitrate ....
Nitrite II
Nitrites - by Doc Johnson Ammonia is converted into Nitrite by Nitrosomonas So, when you set up a new pond, and the fish produce Ammonia; that ammonia is reduced to Nitrite, the subject of this ....
pH Crash
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 high pH doesn't really matter unless there's ammonia in the ....
pH I
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 Koi pH can "crash" to 5.5 overnight due to fish, ....
Yellow Water and Tannins
That yellow color in the water - by Erik Johnson DVM "My pond is about 3 months old. The water is clear but has a yellowish tint that I would like to get rid of. ....
How to Manage Fresh Wounds in Fish Skin
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 handling at all. MAYBE medicated food. [caption id="attachment_489" align="alignleft" width="300"] This ....