koi pond articles






Koi Pond Articles

Information and advice about ponds and koi care



Pond Water – Best Way Of Keeping Pond Water Clear

Most people with a garden pond whether it be a pond to attract wild life or a high specification koi pond will want to keep the water clean so they can view the activities of the pond life. It is worth noting that clear water is not always clean water as far as the fish are concerned. Fish waste, decaying vegetation and uneaten food produce toxins that can potentially poison your fish or other inhabitants in the pond, having crystal clear water does not mean that you don’t need to worry about these pollutants. You should check your water on a regular basis for the PH levels; ammonia and nitrite levels to ensure these are at the correct value. Your PH should read between 7 and 8 using a PH test kit, both ammonia and nitrite should be 0 in a mature pond. You can buy all of these kits from any aquarium or pond retailer to test these parameters.

How Many Koi Should I Put In a New Koi Pond

‘New Pond Syndrome’ is a term used to describe a pond which goes murky or green shortly after being constructed.

Koi Disease – Bacterial Disease Causes and How to Treat

Bacteria (which is actually the plural for the word bacterium) exists virtually everywhere, even in extreme temperatures and places which have high levels of toxic chemicals, unless it has been sterilized you could potentially find bacteria on anything you touch or see. Bacteria are tiny, single-cell living micro organisms, most are invisible to the naked eye, they are neither animals nor plants and belong to a group all on their own.

Koi Health – Common Viruses That Attack Koi Carp

There are many viruses associated with Koi carp some which are completely harmless whilst others can have a devastating effect on fish stocks. Unfortunately viruses can be quite difficult to control and in recent years it has become advisable to have quarantine facilities available for when you purchase new koi.

Multi Bay Pond Filters – Benefits for Koi Ponds and How Do They Work?

For many years koi keeper’s have using multi bay pond filters, it is difficult to be certain when they were first used but the Japanese breeders have been using them since the 1970s.

Multi bay pond filters offer an effective way to filter the solid waste and harmful toxins out of the pond water, they offer flexibility on which filter media is used and often a combination of different filter media is used such as Japanese filter matting in one chamber followed by Lithaqua in another.

Blanket Weed – What Causes Blanket Weed and How to Treat

Blanket Weed which is also known as Silkweed is long strands of weed which attach to anything in the pond such as the pond walls, plants and waterfalls, not only is it very unsightly but can also be harmful to pond life, it eats up oxygen in the pond which in its self can be very dangerous in warm weather to any fish in the pond.

Koi Food – What is the Best Food to Feed My Koi?

Feeding your koi the perfect balanced diet is vital if you want to keep your koi in the best condition. But what is the perfect diet for koi? With so many different foods available it can be difficult to choose with all of them claiming to be the ideal diet for koi.

Koi Fish Ponds – Preventing Algae in Your Pond

Many pond owners will have had problems with algae, which is not only unsightly but can be dangerous to your fish. Algae uses oxygen and on extremely hot days, in a pond stocked heavily with fish, oxygen levels can decrease to dangerous levels causing them is to gasp at the surface. Read our article for tips and advice on how to prevent pond algae.

Koi Pond Filters – Choosing the Best Filter Media For Your Koi Pond

With so many pond filters being manufactured today, with a vast array of different filter media being used, how do you choose the best filter and filter media to suit your needs and budget or do you look to build your own to save money.

Koi Health – Common Parasites and How to Treat Them

Keeping your koi free from disease is the aim of every koi keeper. However it is inevitable that at some time your koi will suffer from ill health and will need to be treated. The information here will give a brief guide to the most common ailments koi suffer from and the best way to treat them.

Blanket Weed Treatments, Pond Weed Removal and Control

Pond weeds present themselves in a wide variety of species many of which are beneficial in small quantities but most present a problem when in abundance.

What is Pond Algae?

All water – even purified drinking water – can have some form of algae in it. Algae forms spores, which are individual, microscopic and very strong cells that can endure just about anything. Water Authorities destroy nearly all of the algae in drinking water, but some manage to survive.

How to Get Rid Of Blanket Weed in Your Fish Ponds

Pond weeds present themselves in a wide variety of species many of which are beneficial in small quantities but most present a problem when in abundance.

What is Blanket Weed?

Blanket weed – or Spirogyra Adnate to give it its proper name – is one of the most productive aquatic weeds known to pond owners. Spirogyra is not actually a plant but a filamentous alga. There are a number of other water weeds that are also filamentous algae and the most common of these are Vaucheria, Rhizoclonium, Cladophera and Ulothrix

The Removal and Treatment of Pond Weed

As the Department for the Environment has banned virtually all chemical treatments that would kill blanket weed the main ways to control its spread is via natural treatments. The most straightforward solution is to stock the pond with plants and wildlife that consume the weed. This would create a natural stability in the pond but in practice limits the number of fauna and flora featured in the pond

Koi Pond Filters

Fish waste, decomposing matter such as leaves and excess food will pollute the pond, in a large natural pond or lake the biological process of converting these dangerous substances into ones which are harmless occurs naturally, however in a confined pond with a large amount of fish you will need a pond filter to help create the correct conditions for your fish to thrive.

Keeping Koi Healthy

Keeping Koi healthy can be difficult for newcomers to the hobby. It is easy to get confused with so much information available. One of the major problems i encountered when I first became interested in the hobby was people giving advice about koi who’s knowledge was based around their experience in keeping a garden pond, a koi pond is quite different as koi grow much bigger than goldfish for example.

Koi Food – Should Koi Be Fed In Winter?

Koi will be stronger and healthier if fed the correct diet all year round, in very cold weather when the water temperature falls below 48degrees you will probably find they won’t take food, however for temperatures above 48degrees we would advise feeding a low protein diet to keep you fish as strong as possible.

Pond Air Pumps – Can You have to Much Oxygen in a Pond?

Oxygen is a vital when trying to create the perfect pond environment, all life forms in the pond water a filter require air to thrive, however you don’t have to turn your pond into a ‘jacuzzi’ in order to provide enough oxygen, for many ponds a waterfall may be all that’s needed, however in large koi ponds additional air will often be needed for both the pond and the filtration equipment

Koi Pond Heaters – Benefits of Heating a Koi Pond

With the cost of fuel rising almost every week, heating a koi pond is something which needs careful consideration as it can be very expensive to run.
Koi can survive in temperatures between 2degreesC to 10degreesC, however as koi are old blooded their metabolism will slow down as temperatures drop, at temperatures below 6degreesC they should not be fed as they may not be able to digest the food, generally they will stop feeding themselves as temperatures drop below 10degreesC.

Blanket Weed – How To Treat Blanket Weed

Blanket Weed can be a major problem in ponds, unlike suspended algae or ‘pea soup’ which can easily be treated with a UV Clarifier, Blanket Weed is a little more difficult to treat.
Like all pond algae, if the conditions are right it can spread at an alarming rate, completely taking over a pond in a few hours causing filters to block and poor water quality which could lead to health problems with your koi.

Pond Ultra Violet Clarifiers (UVC)

Many pond owners suffer from the problem of green water in their pond, for many years now the most effective way of treating this is with a Ultra violet Clarifier. The pond water passes through the UV filter (it is basically a sealed tube with a specialist germicidal lamp inside), this strong light then kills or has an effect on anything in the pond water as it passes through.

Feeding Koi In Winter

Quick guide to feeding koi in winter.

The Best Fish for Beginners




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