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Who are we?
Test your knowledge with this koi quiz
Oh no......Not more koi!!
He will do it - he said he would
Plumbing bypass circuits around equipment - correct and incorrect methods explained
Copper in algaecides - what you should know
Ensuring proper dechlorination of water at Koi Shows and in the home pond
Calculating pond volumes
The Koi University is now open - featuring a series of educational articles and snippets of information
The case for algae in koi ponds
Aerating koi ponds
How does soft or hard water affect koi colours
A printable PDF of the ammonia chart and essential parameter guide that can be kept for future reference
Update to koi health page initial diagnosis guidance plus parameter action chart
Koi education seminars - dates and booking information
Good water guide; part 17 - Comparing trickle towers and Bakki Showers
Good water guide; part 16 - The problems nitrate causes (includes DIY trickle tower design)
Good water guide; part 15 - Nitrate and the nitrogen cycle
Good water guide; part 14 - Nitrite
Potassium permanganate - A salutary tale about overusing chemical treatments
Food for thought page added - My opinions on a range of subjects; do you agree or disagree?
Is it possible to treat dropsy (pinecone disease)?
Good water guide; part 13 - Ammonia; why do koi produce so much of it?
Good water guide; part 12 - Understanding and controlling pH
Good water guide; part 11 - Dissolved oxygen and pH
Good water guide; part 10 - Water parameters
Good water guide; part 9 - Pumps; How do they work?
Diagnosing unusual behaviour
How does salt kill parasites?
Beginnerís guide - A booklet explaining the basics about water parameters
Good water guide; part 8 - Heating koi ponds with gas or oil boilers or heat pumps
Good water guide; part 7 - Heating your koi pond
Good water guide; part 6 - Temperature stratification
Good water guide; part 5 - Improving water clarity
Good water guide; part 4 - Improving circulation
Good water guide; part 3 - Mechanical filtration
Good water guide; part 2 - Improving the biofilter
Good water guide; part 1 - The necessity for bio-filtration
Testing if purifier chlorine cartridges are exhausted / Testing for low levels of chlorine
Algae; The Future - It isnít just a menace, it will soon have benefits in store for us
Koi Security - Donít become a victim of Internet crime
Friction Losses - What are friction losses and how do they affect pipe-work design?
Koi Show Water - Koi shows must comply with Animal Welfare legislation
Show Rules and Guidelines for One or Two Day Koi Shows
Evaluation of ammonia levels in vats at koi shows
(only of interest to technical people)
Beginnerís guide to water chemistry - lesson 1
Test kit review - five popular manual test kits put to the test
Tetra series - six short articles written for Tetra and published in Koi Magazine
Reverse Osmosis Simplified
If Carling did Koi shows..................
Geothermal Heating - Free pond heating?
Anoxic Filtration explained complete with constructional guide
How to deal with a pH crash
Anoxic Filtration - how it works (in plain language)
Anoxic Filtration - constructional details
Hanna 83203 test report
Are plastic herons a good deterrent against real herons?
Can a biofilter in winter be boosted with bacteria from a tropical fish tank?
Water testing - an overview
Water testing - what do parameters mean and what should they be?
Why is there an Ammonia spike followed by a Nitrite spike in Spring?
Ammonia - What is the Ammonia level in your pond?
Can Sodium Fluoride in tap water have a negative effect on Koi?
What are the best plants to grow in a vegetable filter?
Koi Fun - New Koi feeder
Koi Fun - High Speed Camera
How to judge Koi
Japanese Writing - A simple explanation and history of Kanji, Hiragana and Katakana
Japanese Dictionary - Number list expanded
Koi health problems, an introduction
I donít keep Cod, I keep Koi
Why is it necessary to repeat the dose of pond treatments when treating for parasites?
Should filters be turned off during treatments?
Why is it necessary to increase aeration when treatments are added to a pond?